Effigy of Briobris di Vico, died in 1420, in the Chiesa san Francesco, in Vetralla, made by Paolo da Gualdo Cattaneo.

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Nel presbiterio, a destra c’è il pregevole sarcofago di Briobris, figlio naturale di Giovanni Di Vico (m. nel 1353), opera dei primi anni del '400, di Paolo da Gualdo Cattaneo detto Paolo Romano

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“Anno 1353 ... In questo stesso anno morì il giovane figlio di Giovanni, Briobris, che fu tumulato nella chiesa vetrallese di S. Francesco.

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S. Francesco houses a fine monument to a member of the di Vico family whose mother was an Orsini. Briobris di Vico died at the age of 33 in 1353, but his monument, a gisant, was built in the early XVth century; the dead man was portrayed with his dogs at his feet and wearing a high felt hat. The sarcophagus was placed in a (lost) Gothic canopy, the marble columns of which were utilized to decorate some side altars