J. Horace Round, ed., Calendar of Documents Preserved in France: 918-1206: Anjou: part 2 (1899) no. 1138; cf. William Farrer, An outline itinerary of King Henry the First (Oxoniae, 1920) p. 13 Textus apud archive.org
british-history.ac.uk
J. Horace Round, ed., Calendar of Documents Preserved in France: 918-1206: Anjou: part 2 (1899) no. 1133, 1136, 1138
"Robertus Walensis, filius Domni Willelmi": J. Horace Round, ed., Calendar of Documents Preserved in France: 918-1206: Anjou: part 2 (1899) no. 1133, 1136
J. Horace Round, ed., Calendar of Documents Preserved in France: 918-1206: Anjou: part 2 (1899) no. 1133
J. Horace Round, ed., Calendar of Documents Preserved in France: 918-1206: Anjou: part 2 (1899) no. 1138; cf. William Farrer, An outline itinerary of King Henry the First (Oxoniae, 1920) p. 13 Textus apud archive.org