'After this' means that it was so. 'Abraham buried Sarah his wife' means that they received truth joined to good from the Lord. 'At the cave of the field of Machpelah facing Mamre' means that in this way they were regenerated to the extent that they could be. 'Which is Hebron' means that this was a new Church. 'In the land of Canaan' means which was a united whole in the Lord's kingdom.