Indo-Europeans migrated across Eurasia, becoming Indians, Europeans etc.
Norsemen settled in France and became Normans who conquered England and invaded Ireland.
"...the Sea Peoples - that buccaneer horde of displaced Cretans and European barbarians, some of them from the far North..." (p. 284)
- mostly raided Egypt and became ancestors of the Philistines although a smaller number of them entered and intermarried in Lebanon and Syria, becoming ancestors of the Phoenicians.
The Time Patrol has to know about unrecorded migrations. Specialist Keith Denison traces Aryan clan migrations in "Brave To Be A King" and "Amazement of the World." Poul Anderson summarizes the ancestry of both Philistines and Phoenicians in "Ivory..." He embeds his readers in history and prehistory.