Complex sentence: The Ptolemies continued this tradition, and the high priests of Ptah were then increasingly associated with the royal family, with some even marrying princesses of blood, clearly indicating the prominent role they played in the Ptolemaic court.
Split into simpler sentences: The Ptolemies continued this tradition and the high priests of Ptah were then increasingly associated with the royal family. Some of whom even married princesses of blood, clearly indicating the prominent role they played in the Ptolemaic court.