Title: Neville Laski
Content:  Laski came from a distinguished family. His father was Nathan Laski (1863-1941), a Lithuanian Jewish Manchester cotton merchant and a leader of British Jewry; his mother, Sarah Frankenstein, had married Nathan Laski in 1889. His younger brother was Harold Laski. He married Phina Emily, eldest daughter of Moses Gaster; he had four children, including Marghanita Laski.
Title: Anita Lasker-Wallfisch
Content:  Lasker was born into a German Jewish family in Breslau, then Germany (present-day Wrocław, Poland), one of three sisters (Marianne and Renate). Her father Alfons, brother of noted chessmaster Edward Lasker, was a lawyer; her mother a violinist. They suffered discrimination from 1933 but as their father had fought at the front in World War I, gaining an Iron Cross, the family felt some degree of immunity from Nazi persecution.
Title: Bora Laskin
Content:  Laskin was born in Fort William, Ontario (now Thunder Bay), the son of Max Laskin and Bluma Zingel. His brother, Saul Laskin, went on to become the first mayor of Thunder Bay. His other brother, Charles, was a shirt designer and manufacturer. Laskin married Peggy Tenenbaum. The couple had two children: John I. Laskin, who followed in his father's footsteps and became a judge at the Ontario Court of Appeal, and Barbara Laskin Plumptre. His grandson (the son of his daughter) carries on his name. His nephew John B. Laskin is a judge of the Federal Court of Appeal, having previously been a faculty member of the University of Toronto Faculty of Law and a prominent commercial litigator in Toronto.
Title: Irina Leonova
Content: In 2000 — 2004 Irina was married to actor Igor Petrenko (born 1977). ; In 2005 — 2015 Irina was married to actor Yevgeny Tsyganov (born 1979). They have seven children: ; daughter Polina (2005) ; son Nikita (2006) ; son Andrey (2009), ; daughter Sophia (2010) ; son Alexander (2011) ; son George (2014) ; daughter Vera (2015). 
Title: Lawrence Lasker
Content:  Lasker was born in Los Angeles County, California. He is the son of actor Jane Greer and producer Edward Lasker. His paternal grandfather was businessman Albert Lasker and his paternal step-grandmothers were actor Doris Kenyon and Mary Woodard Lasker. He graduated from the Phillips Exeter Academy in 1967 and attended Yale University, as did his father.
Title: John I. Laskin
Content:  John Ivan Laskin (born 1943) was a justice of the Court of Appeal for Ontario from 1994–2018. He is a graduate of University of Toronto Faculty of Law. Prior to the court he practised law for 23 years. Laskin is son of former Chief Justice of Canada Bora Laskin. He is married to Crystal Witterick, a former partner at Blake, Cassels & Graydon LLP. Together, they have a daughter.
Title: Irina Lankova
Content:  Irina Lankova is married to a Belgian architect and has two children (*2007 and *2009). She has a younger brother (*1985). She lives in Belgium (Walloon Brabant).
Title: Floria Lasky
Content:  Lasky was born in the Bronx, New York City. She was named for the eponymous heroine of the opera Tosca. She was the younger sister of American journalist Melvin J. Lasky. She entered Hunter College at the age of 14 and graduated first in her class at New York University's law school in 1945, after which she joined the law firm of Fitelson & Mayers, where she would stay for the next 62 years, eventually becoming a principal partner. Her clients over the years included Jerome Robbins, Tennessee Williams, Burl Ives, David Merrick, Gypsy Rose Lee, Jule Styne, Frederick Loewe and Carson 
Title: Marghanita Laski
Content:  Marghanita Laski was born in Manchester, England, to a prominent family of Jewish intellectuals (Neville Laski was her father, Moses Gaster her grandfather, and Harold Laski her uncle). She was educated at Lady Barn House School in Manchester and St Paul's Girls' School in Hammersmith, worked in fashion, then studied English at Somerville College, Oxford, where she was a close friend of Inez Pearn, who was later to become a novelist and marry Stephen Spender and subsequently, after a divorce, Charles Madge. While at Oxford she met John Eldred Howard, founder of the Cresset Press; they married in 1937. During this time she worked as a journalist. Laski lived at Capo Di Monte in Judge's Walk, Hampstead, North London, and in the Hertfordshire village of Abbots Langley.
Title: Lukas Geniušas
Content:  His father is the famous Lithuanian pianist Petras Geniušas, and his mother is Moscow State Conservatory professor Xenia Knorre (Ксения Вадимовна Кнорре). Lukas's grandmother is the famous Russian pianist Vera Gornostayeva (Вера Васильевна Горностаева).

Question: Who is the father of Irene Laskarina?
Answer: Theodore I Laskaris.