ɪn wˈʌn θˈaʊzənd tˈuːhˈʌndɹɪd sˈɛvənti fˈaɪv fɪtswˈɔltɚz ɡɹˈændsʌn, ˈɔːlsoʊ kˈɔːld ɹˈɑːbɚt, wʌz ɡˈɪvən lˈaɪsəns tə sˈɛl bˈeɪnɑːɹdz kˈæsəl tə ɹˈɑːbɚt kɪlwɚdbˈaɪ, ðɪ ˌɑːɹtʃbˈɪʃəp ʌv kˈæntɚbˌɛɹi fɚðə pɹˈiːsɪŋkt ʌvðə ɡɹˈeɪt dəmˈɪnɪkən pɹˈaɪɚɹi æt blˈækfɹaɪɚz ðæt stˈɑːɹɾᵻd kənstɹˈʌkʃən ɪn wˈʌn θˈaʊzənd tˈuːhˈʌndɹɪd sˈɛvənti sˈɪks.
In 1275 Fitzwalter's grandson, also called Robert, was given licence to sell Baynard's Castle to Robert Kilwardby, the Archbishop of Canterbury for the precinct of the great Dominican Priory at Blackfriars that started construction in 1276.