+———Adam DEL CROSLEGH (abt 1310 Scaitcliffe, Todmorden, Lancashire, England – )
                                                                          |
                                                                      +———John DEL CROSLEGH (abt 1335 Scaitcliffe, Todmorden, Lancashire, England – )
                                                                      |   |    
                                                                      |   +———Matilda (abt 1310 – )
                                                                      |
                                                                  +———William DEL CROSLEGH (abt 1370 Scaitcliffe, Todmorden, Lancashire, England – )
                                                                  |   |    
                                                                  |   +———Johanna (abt 1340 – )
                                                                  |
                                                              +———Thomas DEL CROSLEGH (abt 1400 Scaitcliffe, Todmorden, Lancashire, England – )
                                                              |
                                                          +———Richard DEL CROSLEGH (abt 1435 Scaitcliffe, Todmorden, Lancashire, England – )
                                                          |
                                                      +———DEL CROSLEGH (abt 1470 Scaitcliffe, Todmorden, Lancashire, England – )
                                                      |
                                                  +———Richard CROSSLEY (abt 1500 Scaitcliffe, Todmorden, Lancashire, England – 1548 Scaitcliffe, Todmorden, Lancashire, England)
                                                  |
                                              +———Richard CROSSLEY (abt 1530 Scaitcliffe, Todmorden, Lancashire, England – 1587 Scaitcliffe, Todmorden, Lancashire, England)
                                              |   |    
                                              |   +———Alice (abt 1510 – )
                                              |
                                          +———Anthony CROSSLEY (abt 1560 Scaitcliffe, Todmorden, Lancashire, England – 1624 Scaitcliffe, Todmorden, Lancashire, England)
                                          |   |    
                                          |   +———Elizabeth WHITLEY (abt 1540 – )
                                          |
                                      +———John CROSSLEY (abt 1590 Scaitcliffe, Todmorden, Lancashire, England – 1646 Scaitcliffe, Todmorden, Lancashire, England)
                                      |   |    
                                      |   +———Mary (abt 1560 – )
                                      |
                                  +———John CROSSLEY (1616 Scaitcliffe, Todmorden, Lancashire, England – )
                                  |   |    
                                  |   +———Dorothie LORD (abt 1595 Godpleye, Walsden, Lancashire – )
                                  |
                              +———Anthony CROSSLEY (1640 Scaitcliffe, Todmorden, Lancashire, England – 1707)
                              |   |    
                              |   +———Mary JACKSON (abt 1620 Worsthorne, Lancashire, England – )
                              |
                          +———Anthony CROSSLEY (abt 1668 Scaitcliffe, Todmorden, Lancashire, England – 1757)
                          |   |    
                          |   +———Anne EASTWOOD (abt 1645 Oldroyd, Todmorden, Lancashire, England – 1697 Todmorden, Lancashire, England)
                          |
                      +———Anthony CROSSLEY (1714 Scaitcliffe, Todmorden, Lancashire, England – )
                      |   |    
                      |   +———Tamar PILLING (abt 1690 – )
                      |
                  +———John CROSSLEY (29 Jan 1746 Lisburn, Antrim, Northern Ireland – 11 Mar 1830)
                  |   |    
                  |   +———BROWN (abt 1720 Rochdale, Lancashire, England – )
                  |
              +———Francis CROSSLEY (1787 Glenburn, Lisburn, Antrim, Northern Ireland – 17 Sep 1846 Lisburn, Antrim, Northern Ireland)
              |   |    
              |   +———Elizabeth ALCOTT
              |
          +———1st Baronet William John CROSSLEY (22 Apr 1844 Glenburn, Lisburn, Antrim, Northern Ireland – 12 Oct 1911 Chorlton, Lancashire, United Kingdom)
          |   |    
          |   +———Elizabeth Helen IRWIN (abt 1811 Co. Armagh, Ireland – 18 Feb 1892 Monaghan, Monaghan, Ireland)
          |
      +———OBE Eric CROSSLEY (23 Mar 1878 Bowdon, Cheshire, England – 23 May 1949 White River, Transvaal, South Africa)
      |   |    
      |   +———Mabel Gordon ANDERSON (abt 1854 India – 30 Apr 1943 Bucklow, Cheshire, England)
      |
  +———OBE Michael Nicholson CROSSLEY (29 May 1912 Shipston on Stour, Warwickshire, United Kingdom – 7 Dec 1987 South Africa)
  |   |    
  |   +———Janet Boyd MERRIMAN (1883 Altrincham, Cheshire, England – 22 Jul 1968)
  |    
  Alison CROSSLEY (12 Mar 1964 – )
  |    
  +———Sylvia Constance HEYDER (25 Aug 1931 – 9 Apr 1975 Transvaal, South Africa)