Gadzira shanduro yakaoma zvikuru yemutsara uyu Aiva mwanakomana wokutanga waJohn II, Duke weBrittany naMambokadzi Beatrice weEngland.
Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeiyi "Akanga ari mwanakomana wokutanga waJohn II naBeatrice, mwanasikana waHenry III weEngland naEleanor weProvence".