1902 Clerk - traveling with wife and 1 yr old son to Cape Town, South Africa
name is George WILLIAM Yates, not George EDWARD Yates
April 1907 to Secondie, Ghana - arrived by himself
married a local Ghana woman (Dorothy Vardon nee Lloyd) in a "customary" ceremony recognized by Ghana as legitimate.
During Jojo Yates' (his grandson) immigration battle in the UK, it was determined that George's marriage was not legitimate and therefore his children were illegitimate and therefore their British heritage, and Jojo's, were not recognised. 
Paymaster, Broomasi Mines
1915, while Dorothy was pregnant with his son Harry, he got ill and had to return to England. He left England to return to Ghana in September the same year. Harry was born in November.
1917 leaves Gold Coast
Also worked in Nigeria & Columbia
1911 Middlesex: 30, HOH...
↑ 1.01.1 "Reggie Yates" Who Do You Think You Are? (Season 11, Episode 8). BBC One. 25 Sept 2014.