Виктор Оплачкин
Хагрид принёс ему и самку, Мосаг. Чуть позже. Сволочь. Это во второй книге есть:

“I!” said Aragog, clicking angrily. “I was not born in the castle. I come from a distant land. A traveler gave me to Hagrid when I was an egg. Hagrid was only a boy, but he cared for me, hidden in a cupboard in the castle, feeding me on scraps from the table. Hagrid is my good friend, and a good man. When I was discovered, and blamed for the death of a girl, he protected me. I have lived here in the forest ever since, where Hagrid still visits me. [*****] He even found me a wife, Mosag, and you see how our family has grown, all through Hagrid’s goodness . . .” Harry summoned what remained of his courage.