он не помнил его имени и не помнил,

он не помнил его имени и не помнил, чтобы встречал его когда-либо раньше.

Результаты (английский) 1:

He didn't remember his name and didn't remember to met him ever before.

Результаты (английский) 2:

he could not remember his name and did not remember to have met his ever before.

Результаты (английский) 3:

He does not remember his name, and do not remember, that met him when any earlier.