For example, if Jón is the son of Hjálmar Arnar Vilhjálmsson he may either be named Jón Hjálmarsson (Jón, son of Hjálmar) or Jón Arnarsson (Jón, son of Arnar).
Örneğin Jón, Hjálmar Arnar Vilhjálmsson'un oğlu ise, ya Jón Hjálmarsson (Jón, Hjálmar'ın oğlu) veya Jón Arnarsson (Jón, Arnar'ın oğlu) olur.