▁Robert ▁seems ▁to ▁have ▁been ▁a ▁consist ently ▁loyal ▁supp orter ▁of ▁Port l ester ▁and ▁his ▁son - in - law , ▁Ger ald , ▁the ▁" Gre at ▁Earl " ▁of ▁K ild are . ▁ ▁The ▁office ▁of ▁Const able ▁of ▁ ▁the ▁Castle ▁of ▁B ally more ▁E ust ace ▁ ▁was ▁in ▁effect ▁her edit ary ▁in ▁the ▁Fitz E ust ace ▁family ; ▁Robert ▁was ▁appointed ▁Const able ▁on ▁his ▁father ' s ▁death ▁in ▁ 1 4 4 5 , ▁but ▁was ▁dismiss ed ▁from ▁office ▁ ▁for ▁a ▁time , ▁due ▁to ▁his ▁ref us al ▁to ▁live ▁in ▁the ▁castle . ▁LI ke ▁his ▁father ▁he ▁was ▁▁ ▁High ▁Sher iff ▁of ▁K ild are ▁on ▁several ▁occasions , ▁and ▁ ▁he ▁was ▁one ▁of ▁the ▁original ▁ ▁members ▁of ▁the ▁Bro ther hood ▁of ▁Saint ▁George , ▁a ▁short - l ived ▁military ▁gu ild ▁charged ▁with ▁the ▁defence ▁of ▁the ▁Pale . ▁At ▁his ▁death ▁in ▁ 1 4 8 6 ▁he ▁was ▁one ▁of ▁the ▁largest ▁land own ers ▁in ▁K ild are ▁( des p ite ▁having ▁been ▁imprison ed ▁for ▁deb t ▁in ▁the ▁ 1 4 5 0 s ) ▁ ▁An ▁Act ▁of ▁Parliament ▁of ▁ 1 4 7 2 ▁con ferred ▁the ▁office ▁of ▁Lord ▁Chan cell or ▁of ▁Ireland ▁on ▁Robert ▁Fitz E ust ace ▁and ▁John ▁Ta xt on ▁ ▁joint ly . ▁O ' F lan agan ▁states ▁that ▁nothing ▁is ▁known ▁of