4 3 ) ▁was ▁raised ▁to ▁the ▁Pe er age ▁of ▁Ireland ▁as ▁Lord ▁Fitz will iam , ▁Baron ▁of ▁L iffer , ▁alias ▁L iff ord , ▁in ▁the ▁County ▁of ▁Don eg al , ▁in ▁ 1 6 2 0 . ▁He ▁was ▁the ▁first ▁Baron ▁Fitz Will iam . ▁ ▁His ▁son ▁was ▁William ▁Fitz Will iam , ▁ 2 nd ▁Baron ▁Fitz Will iam ▁( c . 1 6 0 9 ▁– ▁ 2 1 ▁February ▁ 1 6 5 8 ). ▁ ▁His ▁son ▁William ▁became ▁ 3 rd ▁Baron ▁Fitz Will iam . ▁ ▁Ear ls ▁Fitz will iam ▁ ▁The ▁ 3 rd ▁Baron ▁Fitz Will iam ▁succeeded ▁his ▁father ▁in ▁ 1 6 5 8 , ▁and ▁in ▁ 1 7 1 6 ▁was ▁created ▁the ▁first ▁Earl ▁Fitz will iam , ▁of ▁the ▁County ▁of ▁T yr one ▁with ▁the ▁subs idi ary ▁title ▁Vis count ▁Mil ton , ▁in ▁the ▁County ▁of ▁West me ath , ▁also ▁in ▁the ▁Pe er age ▁of ▁Ireland . ▁The ▁el dest ▁son ▁of ▁the ▁Earl ▁Fitz will iam ▁bore ▁the ▁cour tes y ▁title ▁Vis count ▁Mil ton . ▁He ▁was ▁succeeded ▁by ▁his ▁son , ▁the ▁second ▁Earl . ▁ ▁The ▁second ▁Earl , ▁John ▁Fitz will iam , ▁sat ▁as ▁Member ▁of ▁Parliament ▁for ▁Peter borough . ▁On ▁his ▁death ▁the ▁titles ▁passed ▁to ▁his ▁son , ▁the ▁third ▁Earl . ▁ ▁The ▁third ▁Earl , ▁William ▁Fitz will iam , ▁also ▁represented ▁Peter