Alders is a Dutch patronymic surname meaning "son of Aldert" (a Frisian form of Germanic names). The root of this chain is the Old German name Aldhard, composed of the elements alt ("old") and hart ("hard, firm, brave, hardy"). Thus, the name evokes qualities of aged strength and resilience.Patronymics like Alders were common in the Netherlands, where surnames often crystallized in the late Middle Ages. The cognate Low German form Aalders is a variant, alongside the French Allard and Italian Adelardi, reflecting the name's spread across Germanic and Romance regions.