| dí | first wife/son of first wife |
| 嫡 | first wife son of first wife |
| 嫡亲 | closely related by blood |
| 嫡亲兄弟 | blood brothers; whole brothers |
| 嫡亲弟兄 | blood brothers; whole brothers |
| 嫡传 | handed down in a direct line from the founder |
| 嫡出 | To be born by a legal wife. |
| 嫡嗣 | an eldest son born of the legal wife of a man |
| 嫡堂 | relationship between cousins of the same paternal grandfather |
| 嫡子 | son of first wife |
| 嫡母 | legitimate mother |
| 嫡派 | direct line of descent; one's own clique |
| 嫡系 | direct line of descent under one's personal command school or faction passing on faithfully one's doctrine |
| 嫡系部队 | troops under one's direct control |
| 嫡长子 | Eldest son of the legal wife in old times. |