Ka kammala wannan jumla: A lokacin da mahaifinsa ya mutu, William Longespée, Earl na Salisbury, ya zama mai kula da shi har sai ya tsufa. Ya zama jarumi a 1229, ya shiga cikin Sarki Henry III na Ingila
tafiya zuwa Brittany da Faransa a 1230. An hana shi halartar gasa a Blyth, Northampton da Cambridge tsakanin 1232 da 1234. Lokacin da aka gayyaci Sarki Alexander III na Scotland don halartar kotun Ingila a 1235 da kuma a 1237, Vesci ya raka Alexander III. William ya shiga cikin tafiyar Sarki Henry III zuwa Gascony a 1242. A shekara ta 1245, ya kasance cikin balaguron Sarki Henry III zuwa Wales. Ya kafa gidan Carmelite na Hulne, Northumberland a lokacin rayuwarsa.