The voyages of Swanus one of the sonnes of Earl Godwin vnto Ierusalem, Anno Dom. 1052, recorded by William of Malmsburie lib. 2. de gestis regum Anglorum, Capite 13.

Swanus peruersi ingenij et infidi in regem, multoties a patre et fratre Haroldo desciuit: et pirata factus, prædis maritimis virtutes maiorum polluit. Postremò pro conscientia Brunonis cognati interempti, et (vt quidam dicunt) fratris Ierosolimam abijt: indeque rediens, a Saracenis circumuentus, et ad mortem cæsus est.

The same in English.

Swanus being of a peruerse disposition, and faithlesse to the king, often times disagreed with his father and his brother Harold: and afterwards proouing a pirate, he stained the vertues of his ancestours with his robberies vpon the seas. Last of all, being guilty vnto himselfe of the murther of his kinseman Bruno, and (as some do report) of his owne brother, he trauailed vnto Ierusalem: and in his returne home, being taken by the Saracens, was beaten, and wounded vnto death.