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.
He also penned Latin verses, including one on various Psalter editions, and another titled "Planctus Ricemarch" (Rhygyfarch's Lament), lamenting the condition of those parts of south Wales under Norman control.