B (伯母) 伯母 bo2mu3
aunt/ wife of father's elder brother
Frau des Onkels,Tante
C (嬸子) 婶子 shen3zi
aunt/ wife of father's younger brother
Tante, Frau des jüngeren Bruders des Vaters
嬸 婶 wife of father's younger brother
子 子 offspring, child / fruit, seed of / 1st terrestrial branch