Detailed Instructions: Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
Q: Context: Ptolemy III Euergetes (Greek: , Ptolemaios Euergetes, reigned 246--222 BC) was the third king of the Ptolemaic dynasty in Egypt.
Question: What family lineage was Ptolemy III Euergetes part of?
A:
ptolemaic dynasty