| Sons | Grand-sons | |
Hefty Madcap   unknown x unknown |
Certie Madcap  Bungalow (1918) x Hefty Madcap |
|
Glorious Mc Nibbs Junior (uk-usa)   Bungalow (1918) x Hefty Madcap |
||
Hefty Bustle  Hefty Token x Hefty Madcap |
||
| Miss Daisy (1921) Bungalow (1918) x Hefty Madcap |
||
| Nulli Secundi Madcap Dunwell Major x Hefty Madcap |
Tytherington Jewel Boltonia Bulwarkson x Nulli Secundi Madcap |
|
| Tytherington Lady Boltonia Bulwarkson x Nulli Secundi Madcap |
||
| Saw Mills Madcap Brunswick Boy x Hefty Madcap |
Marquis Billy Little Marquis x Saw Mills Madcap |
|
| Saw Mills Baroness Little Marquis x Saw Mills Madcap |