https://books.google.com/books?id=6ybHa6D24qQC&pg=PA78&dq=henry+darnall&lr=&as_drrb_is=q&as_minm_is=0&as_miny_is=&as_maxm_is=0&as_maxy_is=&as_brr=3&ei=fcKDS_qNIKjoygTH_rnxCg&cd=5#v=onepage&q=henry%20darnall&f=false Roark, Elisabeth Louise, p.78, Artists of colonial America] Retrieved February 22, 2010 In 1703, Calvert granted Darnall 7000 acres of land in Prince George's County.