Peter O'Brien (outfielder)
Peter Robert O'Brien( born July 15, 1990) is an American professional baseball left fielder who is a free agent.
He previously played in Major League Baseball( MLB) for the Arizona Diamondbacks and Miami Marlins.
Wale Adebanwi
Wale Adebanwi( born 1969) is a Nigerian- born first Black Rhodes Professor at St Antony's College, Oxford.
Robert Brien
Robert C. Brien( born 26 October 1944 in Sydney) was a tennis player in the 1960s and 1970s.
John McMahon (Surrey and Somerset cricketer)
John William Joseph McMahon( 28 December 1917 – 8 May 2001) was an Australian- born first- class cricketer who played for Surrey and Somerset in England from 1947 to 1957.
Robert O'Brien FitzRoy
Vice- Admiral Sir Robert O'Brien FitzRoy( 2 April 1839 – 7 May 1896) was a Royal Navy officer who served as Commander- in- Chief, Channel Squadron.
Robert O'Brien (RAF officer)
Air Vice Marshal Robert P. O'Brien, is a former senior commander in the Royal Air Force who served as Air Secretary from 1994 until his retirement in 1998.
Guðmundur Ingi Guðbrandsson
Guðmundur Ingi Guðbrandsson( born 28 March 1977) is Minister for the Environment and Natural Resources of Iceland and has also served as the CEO of Landvernd, the largest nature conservation and environmental NGO in Iceland, from 2011 to 2017.
He serves as Minister for the Environment outside the parliament unlike the rest of the cabinet of Katrín Jakobsdóttir.
In 2017 he became the first openly gay man to become an Icelandic Minister.
Henry Moore (cricketer)
Henry Walter Moore( 1849 – 20 August 1916) was an English- born first- class cricketer who spent most of his life in New Zealand.
Hartley Lobban
Hartley W Lobban (9 May 1926 – 15 October 2004) was a Jamaican-born first-class cricketer who played 17 matches for Worcestershire in the early 1950s.
Wesley Barresi
Wesley Barresi( born 3 May 1984) is a South African born first- class and Netherlands international cricketer.
He is a right- handed wicket keeper- batsman and also bowls right- arm offbreak.

Question: Who was born first, Guðmundur Ingi Guðbrandsson or Robert O'Brien Fitzroy?