Question: When was the nephew of George Alexander born?
Related documents: [0]  [DOC] Alexander Young (28 December 1938 – 4 August 1997), also known as George Alexander, was a Scottish singer, songwriter, saxophonist, bassist, guitarist and session musician. He is an elder brother of George Young, the rhythm guitarist and founding member of the Easybeats, as well as Malcolm and Angus Young, founding members of the Australian hard rock band AC/DC, and the younger brother of Stephen Young, the father of Stevie Young, who was also a member of AC/DC. [END] 
[1]  [DOC] Stephen Crawford Young (born 11 December 1956 in Glasgow, Scotland) is a Scottish musician, and the rhythm guitarist and backing vocalist for the Australian hard rock band, AC/DC. He officially joined the band in September 2014, replacing his uncle, Malcolm Young who retired due to dementia. He had previously filled in for Malcolm on AC/DC's 1988 U.S. tour. [END] 
Answer: 
11 December 1956
11 December 1956