吾 — I, my, our, one's own

刈っても刈っても、また生い茂るという吾跡川の柳よ。

You are cut down again and again but you grow luxuriantly; A willow by the Atokawa river in Totomi.

行軍録には蟻通勘吾と鈴木三樹三郎の間に名を連ねる。

In the marching record, his name was listed between Kango ARIDOSHI and Mikisaburo SUZUKI.

その死について『吾妻鏡』は「幕下（源頼朝）殊に溜息し給う。

The "Azuma kagami" (Mirror of the East) describes the reaction to news of his death: 'Yoritomo in particular heaved a great sigh.