Ernst Lindelöf's father Leonard Lorenz Lindelöf was professor of mathematics in Helsingfors from 1857 to 1874. Helsingfors, today Helsinki, was controlled by Sweden and Russia at various times in its history.
Ernst Lindelöf 's ama Leonard Lorenz Lindelöf ay propesor ng matematika sa Helsingfors 1857-1874. Helsingfors, ngayon Helsinki, ay kontrolado ng Sweden at Russia sa iba't-ibang panahon sa kanyang kasaysayan.