 Osbert was opposed to the election of William fitzHerbert as Archbishop of York and supported William 's rival and successor Henry Murdac . Although he remained a supporter of Murdac after 1147 , he did oppose Murdac 's interventions in Selby Abbey , where Murdac had deposed one abbot and appointed another . In 1153 , Osbert deposed Murdac 's choice as abbot of Selby and appointed another abbot . Originally , Osbert had supported Elias Paynel , Murdac 's choice for abbot , but then changed his stance and helped with the deposition . 
 Osbert was opposed to the election of William fitzHerbert as Archbishop of York and supported William <a href='null_genetive' title='1'><mark>'s</mark></a>rival and successor Henry Murdac . Although he remained a supporter of Murdac after 1147 , he did oppose Murdac <a href='null_genetive' title='2'><mark>'s</mark></a>interventions in Selby Abbey , where Murdac <a href='been_done' title='3'><mark>had</mark></a> deposed one abbot and appointed another . In 1153 , Osbert deposed Murdac <a href='null_genetive' title='4'><mark>'s</mark></a>choice as abbot of Selby and appointed another abbot . Originally , Osbert <a href='been_done' title='5'><mark>had</mark></a> supported Elias Paynel , Murdac <a href='null_genetive' title='6'><mark>'s</mark></a>choice for abbot , but then changed his stance and helped with the deposition . 
Osbert was opposed to da election of William fitzHerbert as Archbishop of York and supported William  rival and successor Henry Murdac . Although he remained a supporter of Murdac after 1147 , he did oppose Murdac  interventions in Selby Abbey , where Murdac done deposed one abbot and appointed another . In 1153 , Osbert deposed Murdac  choice as abbot of Selby and appointed anotha abbot . Originally , Osbert done supported Elias Paynel , Murdac  choice for abbot , but then changed his stance and helped with the deposition .