Reginald I
Reginald I (died before 1240), son of William I and Mary, from 1220 to 1226 was bailiff of the honour of Arundel, being ordered by King Henry III in 1225 to arrest all ships carrying corn in various Sussex ports. In 1223 he bought land in Offham and in 1227 was given the manor of Up Marden by his mother, who had inherited it from her father. By 1240 his lands had been divided between his four daughters: