Lady Julia Fish, relict of the late Major-General Sir Miles Fish, C.B.E., late of the Brigade of Guards, a man whose wild days are featured in Galahad's memoirs. One of the twelve Threepwood scions, including Lady Constance, Galahad, and Clarence, Lord Emsworth. Mother of Ronnie. First mentioned in Summer Lightning, joins Lady Constance's efforts to suppress Galahad's memoirs in Heavy Weather. A handsome middle-aged woman of the large blonde type, with a breezy and commanding personality; once bit a governess in two places.

• Summer Lightning
• Heavy Weather