On Dec 24th 2005, MichaelAnne Guido gave this on s.g.m as the results of his research into the Sothill ancestry:

1.Reginald de Sothill
  2. John de Sothill
    3.Sir John de Sothill [-bef. 1311]
      4. Henry de Sothill
        5. Henry de Sothill [-bef. 1371]
          + Beatrice de Neville
            6. Henry Sothill [ca. 1345-1376]
              + Dionysia [ her second husband was Thomas Markenfield]
                7. Beatrice Sothill
                  + Thomas Markenfield [-aft. 1415]
                    8. Elizabeth Markenfield
                      + Walter Calverley, Esq. [1402-March 5, 1466/7]
                        9. Joan Calverley [aft. 1457]
                          + John Wentworth [aft. 1459]
                          10. Thomas Wentworth [1447-1524]
                             + Jane Mirfield [-bef. April 1, 1522]
                7. Henry Sothill [ca. 1365 -bef. April 20, 1421]
                  + Joan Fitzwilliam [daughter of William Fitzwilliam and Maud
                    Cromwell] [ca. 1380-1385 -aft. April 20, 1421]
                    8. John Sothill
                    8. Henry Sothill
                7. Robert Sothill
              6. Sir Gerard Sothill [1352-1410]
                + Maud Salvain
                7. Sir Gerard Sothill
                  8. Richard Sothill
                7. John Sothill [ -1445]
                  + Joan Poucher [ -1451]
                  8. John Sothill [- ca. Nov. 28, 1494]
                    + Agnes Ingelby [ -bef. 1482]
                    9. George Sothill [1464-1502]
                    9. Barbara Sothill
                      + Sir Marmaduke Constable [1478-Sept. 7, 1545]
                    9.Mary Sothill
                      + sir John Normanville
                7. Thomas Sothill
                7. Joan Sothill
        5. Isabel Sothill
          + William de Bosville
        5. John Sothill
          + Helen de Moseley
      4. William de Sothill
        + Joan
  2. William de Sothill