The pivotal character, Jon Snow’s lineage has brought along a lot of controversies. While the beginning of the show tells that Jon Snow is Ned Stark’s illegitimate son, it was revealed later in the show that he was Lyana Stark and Rhaegar Targaryen’s son. So, when in the first season you witness Ned telling Jon Snow that “you might not have my name but you have my blood, things do start to make sense then.”