Complex sentence: Through his 1610 book Hondius updated and expanded the canon of Netherlandish painting and he included some German and English artists in an apparent attempt to situate the Netherlanders within a broader, more semantically uncertain'Northern' canon.
Split into simpler sentences: Through his 1610 book Hondius updated and expanded the canon of Netherlandish painting. He included some German and English artists in an apparent attempt to situate the Netherlanders within a broader, more semantically uncertain'Northern' canon.