do you imagine he's still with us or something?

; )

lol

or do you mean how did his offspring survive?

that's easier and I can answer that

Noah was told to take two of EVERY race and breed of animal on board

and he took two of EVERY tribe/race INCLUDING the kenites at that time

which included all the races created on the 6th Day

Noahs family covered the tribe/race created on the 8th Day