The Canaanites are not the ancestors of any Arabs. At best we can say the Marronite Christians are the descendants of the Philistines as they converted directly from paganism to Xtianity during recorded history. The Cave of the Machpelich was purchased for money by Abraham to bury his wife; that's land title. Even the Arabs don't really suggest they are Canaanites as they were pagans, they claim descent from Ishmael who was not a Canaanite..
Ofir Akunis officially replaces Danny Danon as minister of science, technology, and space (Haaretz)
from the article: Palestinian negotiator: Netanyahu blocking path to direct peace talks