Instead, he turns increasingly inward, taking a trip to Brussels to try to find his grandmother.
The children live with their grandmother, Katherine Jackson.
I think it was in the context of my grandmother, who is one of the main characters.
early 15c., from grand (adj.) + mother (n.1), probably on analogy of French grand-mère. Replaced earlier grandame (c.1200) and Old English ealdemodor.