Sources easily found in generally reputable places (TAG, GBRoberts, Doug Richardson, and corroborated by many others).
Bare essentials, no dates or titles:
1. Henry Samson/Sampson, Mayflower passenger, ancestor of Mrs. Barbara (Pierce) Bush
2. Martha Cooper & James Samson/Sampson
3. Edmund Cooper & Mary Wyne
4. Elizabeth Page & Michael Cooper
5. Cicily Greene & Robert Cooper
6. Edith Latimer & John Greene
7. Nicholas Latimer & Joanna Hody
8. John Latimer & Catherine Pipard
9. Robert Latimer & Margaret de Peche
10. Robert de Latimer & Catherine de Hull
11. John de Latimer & Johanna de Gouvis
12. William le Latimer & Alice Ledet
AND
1. Elizabeth II
2. Elizabeth Angela Marguerite Bowes-Lyon & George VI
3. Claude George Bowes-Lyon & Nina Cecilia Cavendish-Bentinck
4. Claude Bowes-Lyon & Frances Dora Smith
5. Thomas Lyon-Bowes & Charlotte Grimstead
6. Thomas Lyon-Bowes & Mary Elizabeth Louisa Carpenter
7. Mary Eleanor Bowes & John Lyon
8. George Bowes & Mary Gilbert
9. Elizabeth Blakiston & William Bowes
10. Anne Bowes & Francis Blakiston
11. George Bowes & Mary Delaval
12. Margaret Bray & George Bowes
13. Edward Bray & Mary _______
14. Beatrice Shirley & Edward Bray
15. Ralph Shirley & Jane Bellingham
16. Ralph Shirley & Elizabeth Blount
17. Ralph Shirley alias Basset & Joan Basset
18. Beatrice Brewes & Hugh Shirley alias Basset (parents of Ralph)
19. Joan Howard & Peter de Brewes
20. Alice de Bois & John Howard
21. Christian le Latimer & Robert de Bois
22. William le Latimer & Alice Ledet
N.B.: Mayflower passenger Henry Samson has extensive medieval ancestry, but no proven royal ancestry.
Jim+