Bernardus Bruining (1834-1900) was a photographer in Leiderdorp 1860-1877 before moving to Haarlem in 1877. Prins Frederik died in 1881. An address in Leiderdorp was Singel 27a. Bruining started using the honorific from about 1870. The photograph would therefore date to ca. 1870-1877. The woman may have been born in or just after the mid-19th ...