- 旁系血亲 pángxìxuèqīn collateral relatives by bloodRelatives who share a common ancestor but are not in a direct line of descent, such as siblings, cousins, uncles, and aunts; contrasted with [[直系血亲|直系血親|zhi2 xi4 xue4 qin1]].
- 旁系亲属 pángxìqīnshǔ collateral relativesRelatives sharing a common ancestor but not in a direct line of descent, such as siblings, aunts, uncles, and cousins; distinct from [[直系亲属|直系親屬|zhi2 xi4 qin1 shu3]].
- 旁系尊亲属 pángxìzūnqīnshǔ collateral ascendanta blood relative of a previous generation who is not a direct ancestor, such as an uncle, aunt, or elder cousin from a different lineage