Cid is typically middle aged more often than old for anyone decrying a non-very aged Cid.

Cid 2 - 40's
Cid 3 - 60's
Cid 4 - 54/71 (IV/After Years)
Cid 5 - 50's
Cid 6 - 50's
Cid 7 - 32/35 by DoC
Cid 8 - 40's
Cid 9 - 40's
Cid 10 - early 50's
Cid 11- 30's/50's (WotG/Normal)
Cid 12 - late 40's
Cid 13 - mid to late 20's