Louisa McDonnell, Countess of Antrim British courtier (1855–1949) (1855–1949) Parents Caroline Eliza Farquhar Charles Grey Children Lady Sybil McDonnell Angus McDonnell Randal McDonnell, 7th Earl of Antrim Siblings Lady Sybil Grey Albert Grey, 4th Earl Grey Mary Caroline Grey Charles Grey Lady Victoria Grey Partners William McDonnell, 6th Earl of Antrim