長孫 (zoeng2 syun1) — eldest grandson; the eldest son of one's eldest son; two-character surname Zhangsun in Cantonese
zoengˊ²長syunˉ¹孫简 长孙
Mandarin Pinyin: zhang3 sun1
Meaning of 長孫
nouneldest grandson; the eldest son of one's eldest son; two-character surname Zhangsun