 Boeck's daughter Antoinette Augusta (1871–1939) married the wholesale merchant Jacob Christian Just Schram (1870–1952).The sculptor and painter Dagfin Werenskiold (1892–1977) married Boeck's granddaughter Elisabeth Mathilde Schram (1897–1989).In the National Gallery there is a painting by Harriet Backer portraying Boeck's private library in 1902.