Ernold Heap is one of Benjamin Heap's children and is one of the first generation of Heap Brothers.
Ernold Heap is the son of Benjamin Heap and Jenna Crackle. He has six brothers and a sister; Alfred Heap, Hengist Heap, Lois Heap, Garth Heap, Edmond Heap and Silas Heap.
He the uncle of Silas's seven children (Nicko Heap, Simon Heap, Sam Heap, Jo-Jo Heap, Erik Heap, Edd Heap, and Septimus Heap) as well as Jenna Heap who is Silas's adoptive daughter.
His aunt is Zelda Zanuba Heap and his uncle is Theo Heap.