disown

dɪsˈəʊn

verb

refuse to acknowledge or maintain any connection with.

Lovell’s rich family had disowned him because of his marriage

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