'Age' in the Bible

Behold, Elizabeth, your relative, also has conceived a son in her old age; and this is the sixth month with her who was called barren.

There was one Anna, a prophetess, the daughter of Phanuel, of the tribe of Asher (she was of a great age, having lived with a husband seven years from her virginity,

for he had an only daughter, about twelve years of age, and she was dying. But as he went, the multitudes pressed against him.

Jesus said to them, "The children of this age marry, and are given in marriage.

But those who are considered worthy to attain to that age and the resurrection from the dead, neither marry, nor are given in marriage.