婶婶 is the Chinese kinship term for wife of father's younger brother. Search the family tree for the 婶婶's mother!

表哥 is the Chinese kinship term for older son of father's sister. Search the family tree for the 表哥's maternal grandfather!

伯父 is the Chinese kinship term for older paternal uncle, i.e., father's older brother. Search the family tree for the older paternal uncle's