There is significant uncertainty about the early lineage of Family 17 - see:-
https://www.bloodlines.net/TB/Families/Family17.htm

Dam of Old Lady (by Bald Galloway) through which the maternal line of the family continues, the grandam of Othello, winner of 3 King's Plates in 1744

Won three Royal Plates and the Subscription Money at Quainton Meadow in the same (unidentified) year

Dam of Buckhunter (1719 King's Plates York x2, Lincoln, Newmarket, 1720 King's Plate Newmarket - a gelding, he subsequently won 18 matches or Plates between 1721 and 1730, running until he was 18 years old);

and of Sister to Squirrel (1728 King's Plate [mares] Newmarket [running as Colonel Howard's chestnut mare]); and 4th dam of Apollo (1760 King's Plate Burford, 1761 King's Plates Winchester, Salisbury, Lewes, Lincoln, 1762 King's Plate Newmarket)