godan verb (-su), transitive verb
lose a family member; be bereaved of
Used specifically for losing a close family member through death, most commonly a spouse or child. More emotionally charged than 亡くす, and often used in formal or written contexts.
See also: 亡くす
彼は若くして妻を亡くなした。
He lost his wife at a young age.
戦争で多
Many parents lost their children in the war.