
der Erstgeborene
firstborn
The child who was born first to their parents or to one of their parents. A son is called „der Erstgeborene“ (the firstborn son), and a daughter „die Erstgeborene“ (the firstborn daughter).
Als der Erstgeborene zur Welt kam, waren seine Eltern beide noch im Studium.
When their firstborn was born, both parents were still studying.