マイペース、マイ・スタイル！　～日本語がぺらぺらになるには～

one's great-great-grandparents in China, the founder of a dynasty

祖父母の祖父母 - EDR日英対訳辞書



天皇の祖父という立場
the status of great-great grandfather

a person who is a great-great-grandfather

皇祖父という立場の人

Her husband's great-great-grandfather had come from Leghorn.

彼女の夫の曾々祖父はレグホーンからやってきた。
そうそふ

It is told that the family name "Shiba" began from the great-great-grandfather, Ieuji or the father, Takatsune.

斯波氏を名乗るのは高祖父　家氏とも父　高経ともいう。

His great-grandfather was TAKENOUCHI no sukune, his grandfather was KATSURAGI no Sotsuhiko, and his father was Tamada no sukune.

曾祖父は武内宿禰、祖父は葛城襲津彦、父は玉田宿禰。