Robert Skerne judicial career continued, being appointed commissioner of oyer and terminer in July 1421. Skerne was MP for Surrey again in 1422 in the first Parliament of Henry VI. In April 1431 he was commissioner to assess a royal loan and, in December that year, he retired as JP. Skerne is noted for having married Joan, youngest daughter of Alice Perrers, mistress of Edward III, which implies that Skerne had connections at court. Joan profited little from her mother's estate following Perrers' death in 1400/1401 but acquired the manor of Compton Murdak in Warwickshire. Joan fought a series of sometimes protracted
Alice Perrers ‘maintenance’, the offence of interfering in the due process of the law. A contemporary description of the ordinance is as follows: Because a complaint was made to the king that some women have pursued various business and disputes in the king's courts by way of maintenance, bribing and influencing the parties, which thing displeases the king; the king forbids any woman to do it, and especially Alice Perrers, on penalty of whatever the said Alice can forfeit and of being banished from the realm. She was ultimately tried for corruption and subsequently banished from the kingdom by the Good Parliament,