In Mary and Joseph's time, it was quite common for cousins to marry, so it would certainly not be out of the ordinary for Joseph and Mary to have been related.
Eci Maria la Yosefe va kala oku lamana vepato liolomunda loku pita voviti vieva, kuenda eci va mola oku unguiwa kuapako asulako, pamue va kala oku sokolola ekalo liolupale luaco.