NN mistress #1, of Robert 'Curthose' Duke of Normandy

FMG: Normandy Dukes (25 Dec 2021) Chapter 1. Dukes of Normandy 911-1106

Mistress (1): ---. The name of Duke Robert's first mistress is not known. It is likely that this was the Duke's first relationship which produced offspring considering the likely birth date range of their daughter (see below).

Mistress (2): ---. According to Orderic Vitalis, Duke Robert's [second] mistress was the "beautiful concubine of an old priest near the frontier with France" whom Robert met during his exile after his rebellion in 1079. She was acknowledged by Duke Robert as the mother of his two sons after she "publicly carried the red-hot iron and escaped without the least burn"[309].

Duke Robert had one illegitimate daughter by Mistress (1):
c) daughter ([1072/78]-). Orderic Vitalis records that "Rodbertus dux" married "filiam suam…de pellice" to "Heliæ filio Lamberti de Sancto Sidonio", and granted him "Archas cum Buris et adjacente provincia"[337]. Her birth date range is estimated on the assumption that she was in her early teenage years when she married. m ([1087/90]%29 [as his first wife,] HELIE de Saint-Saëns, son of LAMBERT de Saint-Saëns & his wife --- (-after 1128). Comte d’Arques, de iure uxoris.
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Duke Robert had two illegitimate children by Mistress (2):
d) RICHARD ([1079/80]-killed in the New Forest before Aug 1100). His parentage is stated by Orderic Vitalis[338]. Florence of Worcester records that "suus fratruelis Ricardus comitis…Normannorum Rotberti filius" had also been killed in the New Forest a short time before, killed by an arrow shot by one of his knights, when recording the death of his paternal uncle William II King of England[339]. William of Malmesbury records that "Richard son of Robert earl of Normandy" was killed in the New Forest "by a wound in the neck, or as some say, from being suspended by the jaws on the branch of a tree as his horse passed beneath it"[340]. Orderic Vitalis also specifies that the accident occurred in the New Forest[341].
e) GUILLAUME ([1079/80]-killed in battle Jerusalem [1111]). His parentage is stated by Orderic Vitalis[342]. He left for Jerusalem after his father's defeat in 1106. Albert of Aix records the participation of "Willelmum…filium Roberti Normannorum principis" at the siege of Sidon, at which he was ordered to Jerusalem for reinforcements by King Baudouin I before leading a major attack on Arab positions in the trans-Jordan area, dated to [Aug 1108][343]. Albert of Aix records that he was placed in command of Tortosa after the town was captured by Bertrand Count of Tripoli in [1110][344]. Albert of Aix records that "…Willelmus…filius comitis Nortmannorum, dominium habens civitatis Tortosæ…" joined the campaign against the Turks who marched against Antioch, dated to [1110/11] from the context[345].

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Possible identity of Concubine #1 though unconfirmed: [] Agnesae Gifford, Countess