He was born in Kristianstad as a son of Jonas Aspelin (1811-82) and Catharina Charlotta Björklund (1817-91) [REF].
In 1883 he married Elisa Holmboe (1865-1926), a daughter of Jens Anton Holmboe (1828-92) and Karen Dorothea Biørn (1830-70) [REF].