Question: Who is David Miliband's mother?

Knowledge 1: David Miliband
David Wright Miliband (born 15 July 1965) is chief executive of the International Rescue Committee and public policy analyst.A former British Labour Party politician, who was the Secretary of State for Foreign and Commonwealth Affairs from 2007 to 2010 and the Member of Parliament (MP) for South Shields from 2001 to 2013, he and his brother, Ed Miliband, were the first siblings to sit in the Cabinet simultaneously since Edward, Lord Stanley, and Oliver Stanley in 1938.He started his career at the Institute for Public Policy Research.Aged 29he became Tony Blair's Head of Policy whilst the Labour Party was in opposition, and he was a contributor to Labour's manifesto for the 1997 election, which brought the party to power.Blair subsequently made him head of the Prime Minister's Policy Unit from 1997 to 2001, at which point Miliband was elected to Parliament for the seat of South Shields.Miliband spent the next few years in various junior ministerial posts, including at the Department for Education and Skills, before joining the Cabinet in 2006 as Environment Secretary.His tenure in this post saw climate change consolidated as a priority for policymakers.On the succession of Gordon Brown as Prime Minister in 2007, Miliband was promoted to become Foreign Secretary.At the age of 41, he became the youngest person to hold that office since David Owen 30 years earlier.In September 2010, Miliband narrowly lost the Labour leadership election to his brother Ed.On 29 September 2010, he announced that to avoid "constant comparison" with his brother Ed, and because of the "perpetual, distracting and destructive attempts to find division where there is none, and splits where they don't exist, all to the detriment of the party's cause", he would not stand for the Shadow Cabinet.On 15 April 2013, Miliband resigned from Parliament in order to take up the posts of President and CEO of the International Rescue Committee in New York City, which triggered a by-election. [SEP] Knowledge 2: Ed Miliband
Edward Samuel Miliband (born 24 December 1969) is a British politician who has been the Member of Parliament (MP) for Doncaster North since 2005, being re-elected in 2010, 2015, 2017, and 2019.He was Leader of the Labour Party and the Leader of the Opposition between 2010 and 2015.He also served in the Cabinet from 2007–10 under Prime Minister Gordon Brown.Miliband was born in the Fitzrovia district of Central London to Polish Jewish immigrants Marion Kozak and Ralph Miliband, a Marxist intellectual and native of Brussels who fled Belgium during World War II.He graduated from Corpus Christi College, Oxford and later from the London School of Economics.Miliband became first a television journalist, then a Labour Party researcher and a visiting scholar at Harvard University, before rising to become one of Chancellor Gordon Brown's confidants and Chairman of HM Treasury's Council of Economic Advisers.Miliband was elected to the House of Commons in 2005.Prime Minister Tony Blair made Miliband Parliamentary Secretary to the Cabinet Office in May 2006.When Gordon Brown became Prime Minister in 2007, he appointed Miliband Minister for the Cabinet Office and Chancellor of the Duchy of Lancaster.Miliband was subsequently promoted to the new post of Secretary of State for Energy and Climate Change, a position he held from 2008-10.After the Labour Party was defeated at the 2010 general election, Brown resigned as Leader of the Labour Party; in September 2010, Miliband was elected to replace him.His tenure as Labour leader was characterised by a leftward shift in his party's policies, under the "One Nation Labour" branding, and by opposition to the Conservative–Liberal Democrat coalition government's cuts to the public sector.He led his party into several elections, including the 2014 European Parliament election.Following Labour's defeat by the Conservative Party at the 2015 general election, Miliband announced his resignation as leader on 8 May 2015.He was succeeded in the ensuing leadership election by Jeremy Corbyn.
Knowledge 1: David Miliband
David Wright Miliband (born 15 July 1965) is chief executive of the International Rescue Committee and public policy analyst.A former British Labour Party politician, who was the Secretary of State for Foreign and Commonwealth Affairs from 2007 to 2010 and the Member of Parliament (MP) for South Shields from 2001 to 2013, he and his brother, Ed Miliband, were the first siblings to sit in the Cabinet simultaneously since Edward, Lord Stanley, and Oliver Stanley in 1938.He started his career at the Institute for Public Policy Research.Aged 29he became Tony Blair's Head of Policy whilst the Labour Party was in opposition, and he was a contributor to Labour's manifesto for the 1997 election, which brought the party to power.Blair subsequently made him head of the Prime Minister's Policy Unit from 1997 to 2001, at which point Miliband was elected to Parliament for the seat of South Shields.Miliband spent the next few years in various junior ministerial posts, including at the Department for Education and Skills, before joining the Cabinet in 2006 as Environment Secretary.His tenure in this post saw climate change consolidated as a priority for policymakers.On the succession of Gordon Brown as Prime Minister in 2007, Miliband was promoted to become Foreign Secretary.At the age of 41, he became the youngest person to hold that office since David Owen 30 years earlier.In September 2010, Miliband narrowly lost the Labour leadership election to his brother Ed.On 29 September 2010, he announced that to avoid "constant comparison" with his brother Ed, and because of the "perpetual, distracting and destructive attempts to find division where there is none, and splits where they don't exist, all to the detriment of the party's cause", he would not stand for the Shadow Cabinet.On 15 April 2013, Miliband resigned from Parliament in order to take up the posts of President and CEO of the International Rescue Committee in New York City, which triggered a by-election. [SEP] Knowledge 2: Paco Malgesto
He was first married to Guillermina Peñaloza, the mother of his eldest child: actress Cristina Rubiales.His second wife was singer and actress Flor Silvestre, the mother of his younger children: translator Francisco Rubiales and singer and actress Marcela Rubiales.
Knowledge 1: Ed Miliband
Edward Samuel Miliband (born 24 December 1969) is a British politician who has been the Member of Parliament (MP) for Doncaster North since 2005, being re-elected in 2010, 2015, 2017, and 2019.He was Leader of the Labour Party and the Leader of the Opposition between 2010 and 2015.He also served in the Cabinet from 2007–10 under Prime Minister Gordon Brown.Miliband was born in the Fitzrovia district of Central London to Polish Jewish immigrants Marion Kozak and Ralph Miliband, a Marxist intellectual and native of Brussels who fled Belgium during World War II.He graduated from Corpus Christi College, Oxford and later from the London School of Economics.Miliband became first a television journalist, then a Labour Party researcher and a visiting scholar at Harvard University, before rising to become one of Chancellor Gordon Brown's confidants and Chairman of HM Treasury's Council of Economic Advisers.Miliband was elected to the House of Commons in 2005.Prime Minister Tony Blair made Miliband Parliamentary Secretary to the Cabinet Office in May 2006.When Gordon Brown became Prime Minister in 2007, he appointed Miliband Minister for the Cabinet Office and Chancellor of the Duchy of Lancaster.Miliband was subsequently promoted to the new post of Secretary of State for Energy and Climate Change, a position he held from 2008-10.After the Labour Party was defeated at the 2010 general election, Brown resigned as Leader of the Labour Party; in September 2010, Miliband was elected to replace him.His tenure as Labour leader was characterised by a leftward shift in his party's policies, under the "One Nation Labour" branding, and by opposition to the Conservative–Liberal Democrat coalition government's cuts to the public sector.He led his party into several elections, including the 2014 European Parliament election.Following Labour's defeat by the Conservative Party at the 2015 general election, Miliband announced his resignation as leader on 8 May 2015.He was succeeded in the ensuing leadership election by Jeremy Corbyn. [SEP] Knowledge 2: Paco Malgesto
He was first married to Guillermina Peñaloza, the mother of his eldest child: actress Cristina Rubiales.His second wife was singer and actress Flor Silvestre, the mother of his younger children: translator Francisco Rubiales and singer and actress Marcela Rubiales.

Answer: Marion Kozak