en_tn_lite_do_not_use/gen/26/24.md

multiply your descendants

"will cause your descendants to increase greatly" or "will cause your descendants to be very many"

for my servant Abraham's sake

"for my servant Abraham" or you can make the full meaning explicit. AT: "because I promised my servant Abraham that I would do this" (See: rc://en/ta/man/translate/figs-explicit)