the baptism at st hilda's church, hartlepool, england, on the 21st december 1856 (and as per book):
edward, son of magnus edward knoph, st mary street, joiner, and janet scot.
by going to via google: www.tees valley indexes.co.uk
you will see that his birth certificate will show that he is registered as magnus e knoph.
---------- an advertisement in one of our then local newspapers:
stockton & hartlepool mercury saturday 13 march 1858
to joiners, cabinet makers and builders.
m e knoph
begs respectfully to intimate that he will give lessons in drawing, on mathematical and geometrical principles; teaching construction and freehand drawing in a style peculiarly his own. attendance every lawful night between 7 and 9 o'clock.