Who arranged marriage of Ann of Cleves with Henry VIII?

Anne of Cleves hailed from Germany. the introduction was by portrait paintings. By tioday"s standards, she was not as pretty as some other Henry VIII consorts, but in those days, introduction was by formal portraits- which of course allowed for broad artistic license. No Nikons in those days, or even Speed Graphics ( which were invented in l9l2- a century ago) by Folmer und Schwing, two German-American camera designers.