The book introduces his parents, Percival and Kendra Dumbledore, as well as his little sister, Ariana; his brother, Aberforth Dumbledore, was mentioned in previous books.
O libro presenta os pais de Albus, Percival e Kendra Dumbledore, así como a súa irmá pequena Ariana; o seu irmán Aberforth Dumbledore xa fora mencionado con anterioridade.