Ossy Armstrong
Oswald Robert Armstrong( 30 May 1892 – 1 March 1958) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
W. G. R. Sprague
William George Robert Sprague( 1863 – 4 December 1933) was a theatre architect.
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.
Robert Williams (footballer, born 1932)
George Robert Williams( 18 November 1932 – March 2003) was an English professional footballer who played as a right half.
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.
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.
Arthur Kampf
Arthur Kampf( 28 September 1864 in Aachen – 8 February 1950 in Castrop- Rauxel) was a German history painter.
He is associated with the Düsseldorf school of painting.
Wale Adebanwi
Wale Adebanwi( born 1969) is a Nigerian- born first Black Rhodes Professor at St Antony's College, Oxford.
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.
George Robert Armstrong
George Robert Armstrong( August 1, 1819 – April 20, 1896) was a pioneer mayor of Omaha, Nebraska.
He served as the interim Mayor of Omaha from 1858 to 1859 after Andrew Jackson Poppleton resigned, and was elected in 1861, only to resign in 1862.

Question: Who was born first, George Robert Armstrong or Arthur Kampf?
Answer: George Robert Armstrong