one's parents, grandparents, and other relatives of a senior generation; in legal contexts, subdivided into lineal 直系尊亲属zhíxìzūnqīnshǔ and collateral 旁系尊亲属pángxìzūnqīnshǔ ascendants
尊亲属/ 尊親屬zūnqīnshǔ[courtesy title]
(literary) a polite way to refer to the listener's relatives