DISOWN
VERBS
► DISKNOWLEDGE to disown, to deny; to be ignorant of, not to know→ 1888 Eng. dial.
► KICK DOWN THE LADDER to disown the friends or associates that have helped one to rise in the world
► MISKEN to disown, to ignore, to refuse to notice; to mistake, not to recognize → 1660 Sc. & Eng. dial.