(idiom) used as a congratulatory wish at a wedding for the couple to have many successful descendants; originally meaning a family would become prosperous by the fifth generation

A large family where five generations live together in one home.

Henry V (1387-1422), King of England who famously defeated the French at the Battle of Agincourt; also the title of a historical play by [[莎士比亚|莎士比亞|sha1 shi4 bi3 ya4]]

Harald V of Norway, the King of Norway since 1991