sentences:  None of the remaining family members, who bear the legal surname "Prinz von Sachsen Herzog zu Sachsen", are allowed to use the style His/Her Royal Highness.Because there is no longer a head of the royal house, no family member has the right to use the title Margrave of Meissen.After the early death of Prince Johannes, the heirless Maria Emanuel then considered as potential heir another nephew, Alexander Afif, the eldest son of Princess Anna of Saxony and her husband Roberto Afif, despite the fact Alexander was only a female line Wettin descendant whose parents' marriage had, at the time, been morganatic, and were contrary to the house laws of the Saxon royal house and of the Saxon Kingdom's constitution, both of which required equal marriage for descendants to inherit dynastic rights.