Question: Who is Louis Iv, Landgrave Of Hesse-Marburg's maternal grandmother?
Sentence (from "Christine of Saxony"): Whilst married to Christine, Philip practised bigamy and had another nine children with his other (morganatic) wife, Margarethe von der Saale; in 1540, Christine gave her consent to her husband's bigamy with his lover because of her view upon him as her sovereign.
Relevant evidence: No