REFN: 7025 JOAN SISSON !SISSON(S) - Sisterson ' son of Ciss or Sissot, pet-forms ofCecily: Cecilia 'blind', the Martyred patron saint of musicians; Frenchpersonal-name-Cisseson [OES]. !(She was called Joanne Sisson in the Owl,p.1389, but there is no proof offered).