The third is the freehold interest in a house that is subject to a lease to an unconnected third party that was originally granted for 125 years.
Y trydydd yw'r buddiant rhydd-ddaliad mewn tŷ sy’n ddarostyngedig i les i drydydd parti digyswllt a gafodd ei rhoi’n wreiddiol am 125 o flynyddoedd.