probably early 13th century, certainly before _Melr. Lib._, no. 81
Dating Notes
death of Alan Stewart x death of Walter Stewart; probable date derived from appearances of witnesses. Niall de Heriz appears 1180 x 1203 (<em>Kel. Lib.</em>, no. 158, 177); Robert of Crawford appears 1210 × 1231 (<em>C. A. Chrs.</em>, no. 22) and 1229 x 1232 (<em>Kel. Lib.</em>, no. 181); etc.