iella . ▁Will ugh by ▁was ▁the ▁first ▁person ▁to ▁un ambigu ously ▁distinguish ▁the ▁h oney ▁bu zz ard ▁from ▁the ▁common ▁bu zz ard , ▁and ▁in ▁ 2 0 1 8 ▁it ▁was ▁suggested ▁that ▁the ▁former ▁species ▁should ▁be ▁renamed ▁" Will ugh by ' s ▁B uzz ard " ▁to ▁comm emor ate ▁this . ▁ ▁In ▁ 1 6 6 8 ▁Will ugh by ▁married ▁Emma ▁Bar n ard , ▁daughter ▁of ▁Sir ▁Henry ▁Bar n ard ▁of ▁Br id gn orth ▁and ▁London . ▁They ▁had ▁three ▁children . ▁Their ▁first ▁child , ▁Francis , ▁died ▁at ▁the ▁age ▁of ▁nin ete en , ▁while ▁their ▁daughter ▁Cass andra ▁Will ough by ▁married ▁the ▁Duke ▁of ▁Ch and os , ▁who ▁was ▁a ▁patron ▁of ▁the ▁English ▁natural ist ▁Mark ▁C ates by . ▁The ▁second ▁son , ▁Thomas , ▁was ▁created ▁Baron ▁Middle ton ▁in ▁ 1 7 1 1 ▁by ▁Queen ▁Anne . ▁ ▁Will ugh by ▁and ▁Ray ▁continued ▁their ▁research es , ▁now ▁mainly ▁on ▁birds , ▁with ▁the ▁help ▁of ▁Francis ▁Jess op , ▁another ▁Tr inity ▁al umn us , ▁who ▁sent ▁them ▁spec im ens ▁from ▁the ▁Pe ak ▁District , ▁including ▁tw ite ▁and ▁red ▁gr ouse . ▁They ▁also ▁were ▁the ▁first ▁to ▁investigate ▁the ▁active ▁flow ▁of ▁sap ▁in ▁bir ches . ▁ ▁Will ugh by ▁had ▁suffered ▁several ▁periods ▁of ▁ill ness , ▁including ▁violent ▁fe vers , ▁between ▁ 1 6 6 8 ▁and