Future has eight baby mamas.

According to Eliza Seraphin, who just officially became BM number eight after a DNA test, Future tried his darndest to have one fewer.

According to legal docs from Seraphin's lawsuit against Future, Hendrix threatened to have her killed "in an attempt to coerce her to terminate her pregnancy.

She also reveals nasty texts Future sent her.

"let your lawyers speak for u at this point! u bogus, stole my last name now u want to b relevant jus fall back off the net trying to to prove a point," read one.

"TMZ this bitch stole my last name I think that's what i heard! I will never respect a clout chasing bitch NEVERRRRRRR FOH," read another.

Seraphin is suing Future for libel, slander and emotional distress