Final answer:
The question of whether Peter the Great killed his daughter remains unaddressed, but it is true that William of Orange was married to James II's daughter Mary and was in line for the English throne, and that King Philip's War started when a praying Indian and Harvard graduate was killed by a Wampanoag.
Step-by-step explanation:
The statement regarding Peter the Great killing his daughter is not addressed in the information provided or in widely known historical accounts. Therefore, we cannot assert whether it is true or false without additional context or evidence.
Statement Verification
It is true that William of Orange was married to James II's daughter, Mary, and he was indeed in line for the throne of England, as per the information given. The claim that King Philip's War broke out when a praying Indian who was a Harvard graduate was assassinated by a Wampanoag is also true. This incident was one of the sparks that ignited the conflict between English colonists and American Indians in New England.