disown
verb
[ dɪsˈəʊn ]
• refuse to acknowledge or maintain any connection with.
• "Lovell's rich family had disowned him because of his marriage"
Similar:
reject,
cast off,
cast aside,
abandon,
repudiate,
renounce,
deny,
turn one's back on,
wash one's hands of,
have nothing more to do with,
end relations with,
disinherit,
cut off (without a penny),
ditch,
drop,
send packing,
forsake,