|Name in Japanese||マスグレーブ男爵|
|Debut (Anime)||Gosick Episode 13|
|Debut (Light Novel)||Volume IV|
|Appears in||Anime, Light Novels|
|Voice Actor (Japanese)||Hideaki Nakamura|
|Place of Birth||Sauville|
|Profession||Baron of Sauville|
Baron Musgrave is a nobleman and was tasked with the arrest of the infamous alchemist Leviathan. He is considered to be one of Leviathan's strongest critics; however, his son Ian does not share the same sentiments with him with regards to the alchemist's abilities.