sentences:  Lilliehöök was born on 25 May 1884 in Stockholm, Sweden, the son of First Marshal of the Court Carl Malcolm Lilliehöök and his wife Anna Ekelund.He was commissioned as an officer in Svea Artillery Regiment in 1906 with the rank of acting sub-lieutenant ("underlöjtnant").Lilliehöök was promoted to lieutenant in 1910 and to captain in 1918 after which he was placed in the reserve.