NET
19 Without being weak in faith, he considered his own body as dead (because he was about 100 years old) and the deadness of Sarah’s womb.
Darby
19 and not being weak in faith, he considered not his own body already become dead, being about a hundred years old, and the deadening of Sarah's womb,
KJV
19 And being not weak in faith, he considered not his own body now dead, when he was about an hundred years old, neither yet the deadness of Sara's womb: