Dirck Jacobsz (1497–1567): Pioneer of Dutch Militia Portraits Dirck Jacobsz, whose exact birthplace remains shrouded in mystery—likely Amsterdam—stands as a pivotal figure in the burgeoning artistic landscape of 16th-century Holland. Born into a family steeped in painting tradition, he received his initial training from his father, Jacob Cornelisz van Oostsanen, establishing him firmly within the artistic lineage of his time. However, Jacobsz’s artistic journey truly blossomed under the profound influence of Jan van Scorel, a fellow Amsterdam painter whose Mannerist style captivated him and…