Please answer the following question: Facts:   - death date: 1174    - spouse: gilla    - office: sheriff sheriff of suffolk of norfolk sheriff of suffolk sheriff of norfolk      - term end: between 1163 1146 and 1153 between 1146 and 1153 1162    - children: margaret clemence sara    - term start: between 1156 1146 and 1149 between 1146 and 1149 1156    - name: william de chesney   Based on these bullet points, write a short biography describing the life of william de chesney -lrb- sheriff -rrb- .
Answer:
william de chesney -lrb- sometimes william of norwich or william fitzrobert ; died 1174 -rrb- was a medieval anglo-norman nobleman and sheriff .son of landholder in norfolk , william inherited after the death of his two elder brothers .he was the founder of sibton abbey , as well as a benefactor of other monasteries in england .in 1157 , chesney acquired the honour of blythburgh , and was sheriff of norfolk and suffolk during the 1150s and 1160s .on chesney 's death in 1174 , he left three unmarried daughters as his heirs .