▁Nature " ▁and ▁" Family ▁of ▁Blood ", ▁episodes ▁ 8 ▁and ▁ 9 , ▁of ▁the ▁BBC ▁Wales ▁series ▁of ▁Doctor ▁Who . ▁In ▁ 2 0 1 2 , ▁the ▁exterior ▁of ▁the ▁house ▁was ▁featured ▁in ▁the ▁Christmas ▁Special ▁of ▁Dr ▁Who ▁st arring ▁Matt ▁Smith . ▁ ▁See ▁also ▁List ▁of ▁non - e cc les iast ical ▁works ▁by ▁J . ▁L . ▁Pear son ▁List ▁of ▁gard ens ▁in ▁Wales ▁ ▁References ▁ ▁United ▁Kingdom ▁Database ▁of ▁Historic ▁H ouses ▁and ▁Gard ens , ▁Tre ber f y dd ▁ ▁Ra ikes ▁Ped ig ree , ▁published ▁ 1 9 8 9 . ▁ ▁M ention ▁of ▁Pear son ' s ▁connection ▁to ▁Tre ber f y dd . ▁ ▁External ▁links ▁Tre ber f y dd ▁website ▁ ▁Category : Country ▁houses ▁in ▁Pow ys ▁Category : J . ▁L . ▁Pear son ▁buildings ▁Category : G rade ▁I ▁listed ▁buildings ▁in ▁Pow ys ▁Category : H ouses ▁completed ▁in ▁ 1 8 5 0 <0x0A> </s> ▁Al cor isa ▁is ▁a ▁municipality ▁in ▁the ▁province ▁of ▁Ter uel , ▁Arag on , ▁Spain . ▁According ▁to ▁the ▁ 2 0 1 8 ▁census ▁the ▁municipality ▁has ▁a ▁population ▁of ▁ 3 , 2 7 6 ▁inhabitants . ▁ ▁Al cor isa ▁is ▁located ▁right ▁by ▁the ▁N - 2 1 1 ▁road , ▁ 1 3   km ▁to ▁the ▁SW ▁of ▁Cal anda . ▁This ▁town ▁is ▁part ▁of ▁the ▁R uta ▁del ▁tamb