Frank Amato
Frank Amato ( disappeared September 20 , 1980 , pronounced legally dead 1985 ) was a Sicilian-American mafioso who was the son-in-law of Gambino crime family boss Paul Castellano . 
<triplet> Frank Amato <subj> 1985 <obj> date of death <triplet> Paul Castellano <subj> Gambino crime family <obj> family