Question: Who is Charles Colmore Grant, 7Th Baron De Longueuil's paternal grandmother?
Sentence (from "Charles Colmore Grant, 7th Baron de Longueuil"): Charles Colmore Grant, 7th Baron de Longueuil was the son of Charles James Irwin Grant, 6th Baron de Longueuil and Harriet Cregoe-Colmore.
Relevant evidence: Yes