However, mtDNA analysis has shown that the descendants of Brown Farewell's daughter Sister to Guy are maternally unrelated to descendants of branches 4-o and 4-p. These two branches are rather related to Families 11 and 13. There is therefore a pedigree error in Family 4, most likely in a GSB recorded descendant of Bay Layton not actually being related to her.

Grandam of King's Plate winners Toy (1742 Salisbury, Newmarket); of Molotto (1742 Nottingham, 1743 Newmarket);

and of Matchem (Champion Sire 1772, 1773, 1774, and the perpetuator of the direct male line of the Godolphin Arabian (barely) to today; 3rd dam of [American] Eclipse (high class racehorse and outstanding sire in America); of [Morton's] Traveller (very successful sire in America); of the King's Plate winners Bandy (1753 Nottingham, Lincoln, Newmarket); and of Stump (1750 Guildford, Lewes)