Lots of ways, depending. Further posts are always welcome on the matter, as this sub believes that no one answer is ever 'final'. For the meantime, the matter of twins versus inheritance has come up before, so while we wait for new posts, here's two previous ones for your reading:

• u/I-want-to-roleplay and u/Real_Hist each examine such cases in this thread;
• and u/WelfOnTheShelf looks at several more cases here.