i ▁the ▁historian . ▁ ▁He ▁was ▁educated ▁at ▁West min ster ▁School ▁and ▁Tr inity ▁College , ▁Cambridge , ▁following ▁his ▁elder ▁brother ▁Lan cel ot ▁B augh ▁Allen . ▁ ▁He ▁was ▁High ▁Sher iff ▁of ▁P embro kes hire ▁in ▁ 1 8 0 9 . ▁ ▁He ▁married ▁Ger tr ude , ▁daughter ▁of ▁Lord ▁Robert ▁Se ym our , ▁on ▁ 9 ▁November ▁ 1 8 1 2 . ▁ ▁They ▁had ▁five ▁children : ▁ ▁Ger tr ude ▁Elizabeth ▁Allen ▁( d ied ▁ 1 8 2 4 ) ▁ ▁Se ym our ▁Phill ips ▁Allen ▁( 1 8 1 4 – 1 8 6 1 ) ▁ ▁Henry ▁George ▁Allen ▁( 1 8 1 5 – 1 9 0 8 ) ▁ ▁John ▁H ens le igh ▁Allen ▁( 1 8 1 8 – 1 8 6 8 ) ▁ ▁Isabel ▁Georg ina ▁Allen ▁( 1 8 2 0 – 1 9 1 4 ), ▁married ▁George ▁L ort ▁Phill ips ▁ ▁References ▁▁ ▁Category : 1 7 6 9 ▁birth s ▁Category : 1 8 4 3 ▁death s ▁Category : Al umn i ▁of ▁Tr inity ▁College , ▁Cambridge ▁Category : De put y ▁Lie uten ants ▁of ▁P embro kes hire ▁Category : High ▁Sher iffs ▁of ▁P embro kes hire ▁Category : M embers ▁of ▁Lincoln ' s ▁Inn ▁Category : M embers ▁of ▁the ▁Parliament ▁of ▁the ▁United ▁Kingdom ▁for ▁P embro kes hire ▁constitu encies ▁Category : Pe ople ▁educated