Pedigree of Mortonia xx

mother

Stute von Northumberland xx

Thoroughbred
1769

Father of mother

Northumberland xx

Thoroughbred
1754

stallion Cade xx (Thoroughbred, 1734, from Godolphin Arabian)

Cade xx

Thoroughbred
1734

Sister to Slipby xx

Thoroughbred
1740