Balmorn Donar
From Warhammer 40k - Lexicanum
Balmorn Donar was the Lord of the Knightly House of Donar during the Great Crusade and Horus Heresy. One of the commanding officers on Molech, Donar led the defenses of the Perceptory Line against the Traitor Invasion of her world. During the Death Guard assault on her defensive line, Balmorn was killed along with the rest of House Donar.[1]
She was succeeded by her son Robard Donar, but he was also killed on Molech.[1]