Conversation so far:
What was Graham KcKenzie's early years like?
Graham McKenzie grew up in a sporting family.
What type of sports did Graham McKenzie's family play?
Graham McKenzie's father, Eric McKenzie, was an opening batsman who played once for Western Australia, against the touring South African cricket team in 1931–32.
Did Graham McKenzie take after this father?
Graham McKenzie's father Eric McKenzie and uncle Douglas McKenzie played cricket for Western Australia and was chosen for the Ashes tour of England in 1961.

Question: What age was he?
Self-contained rewrite: What age was Graham McKenzie when he was chosen for the Ashes tour of England in 1961?