proved 18.5.1810 before the rev Jn Houghton clerk surrogate etc by the solemn and sincere affirmation or declaration of Jn King brother of the deceased and Jn Pitstow the executors to whom administration etc was granted on 19.6.1810 they having first made and subscribed an affirmation or declaration well and faithfully to administer according to an act of Parliament in that behalf made and provided