▁desc ended ▁from ▁the ▁kn ight ly ▁Pick ering ▁family ▁of ▁Kill ington , ▁then ▁in ▁ ▁West mor land , ▁son ▁of ▁Thomas ▁Pick ering ▁( 1 3 1 0 - 1 3 7 5 ) ▁and ▁Elizabeth ▁Gre yst oke ▁( 1 3 0 0 - 1 3 7 0 ), ▁and ▁was ▁married ▁to ▁Alice ▁Ell erton . ▁He ▁owned ▁land ▁at ▁Kill ington ▁in ▁West mor land ▁and ▁Sel by ▁in ▁York shire ▁and ▁was ▁kn ight ed ▁by ▁ 1 3 6 1 . ▁ ▁He ▁was ▁kn ight ▁of ▁the ▁sh ire ▁for ▁West mor land ▁in ▁ 1 3 6 2 , ▁ 1 3 6 5 , ▁ 1 3 7 7 – 1 3 7 9 ▁and ▁ 1 3 8 2 ▁and ▁C umber land ▁in ▁ 1 3 6 8 . ▁On ▁ 2 0 ▁December ▁ 1 3 6 8 ▁he ▁was ▁commission er ▁of ▁array ▁in ▁West mor land , ▁to ▁choose ▁twenty ▁arch ers ▁to ▁serve ▁under ▁Sir ▁William ▁W inds or ▁in ▁Ireland , ▁in ▁his ▁position ▁of ▁Chief ▁justice ▁of ▁Ireland , ▁in ▁order , ▁it ▁has ▁been ▁said , ▁to ▁implement ▁' some ▁highly ▁dub ious ▁financial ▁practices .' ▁He ▁served ▁as ▁MP ▁for ▁York shire ▁in ▁ 1 3 8 3 , ▁ 1 3 8 4 , ▁ 1 3 8 8 ▁and ▁ 1 3 9 0 , ▁Sher iff ▁of ▁York shire ▁for ▁ 1 3 8 9 , ▁ 1 3