He also wrote Latin poems, including one dealing with the different versions of the Psalter, and another called "Planctus Ricemarch" (Rhygyfarch's Lament), bemoaning the state of those parts of south Wales under Norman occupation.
In addition to writing Latin poems, he composed a piece about different versions of the Psalter and another called "Planctus Ricemarch" (Rhygyfarch's Lament)," which expressed sorrow over the state of southern Wales during Norman rule.