This link leads to nothing: http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=aet-t...
Any ideas what sources to search to validate this John Whalesborough and his relationships, particularly his relation to Matilda de Arundell?
* Marcus de Whalesborough?
Perhaps this?
https://gw.geneanet.org/carlib36?n=whalesborough&oc=&p=marcus+de