She was a sister of Burundi 's last king ( or Mwami ) , Ntare V ( who had overthrown their father Mwambutsa IV in 1966 ) , who was executed in 1972 .
Head entity: ntare v Q627261 14 15
Tail entity: mwambutsa iv Q627267 22 23
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40