そうそふ· also ひいじじ、ひじじ、ひおおじ
great-grandfather; great-granddad; great-grandad
Also written 曽祖父
Noun
曾祖父そうそふの代だいから東京とうきょうに住すんでいます。
My family came to live in Tokyo in my great-grandfather's time.