| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 6th cousin 19 times removed | XXXIII | 26 |
| 6th cousin 20 times removed | XXXIV | 27 |
| 6th cousin 21 times removed | XXXV | 28 |
| 6th cousin 22 times removed | XXXVI | 29 |
| 6th cousin 23 times removed | XXXVII | 30 |
| Haya, William Soules | 28th great-grandfather | XXX | 30 |
| 29th great-grandfather | XXXI | 31 |
| Hays, Ambrose | Husband of the 4th cousin 4 times removed | | |
| Hays, Jeremiah Simpson | 5th cousin 3 times removed | XV | 9 |
| Hays, Jesse Simpson | 5th cousin 3 times removed | XV | 9 |
| Hays, Rachel Ann Simpson | 5th cousin 3 times removed | XV | 9 |
| Haywell, Elizabeth | 25th great-grandmother | XXVII | 27 |
| Haywell, Thomas | 26th great-grandfather | XXVIII | 28 |
| Hedwig | 3rd great-grandmother | V | 5 |
| Heger, Catharina Or Katherina | 11th great-grandmother | XIII | 13 |
| Hegi, Jacob | 13th great-grandfather | XV | 15 |
| Hegi, Werner | 11th great-grandfather | XIII | 13 |
| Heigham, Clement | 15th great-grandfather | XVII | 17 |
| 16th great-grandfather | XVIII | 18 |
| Heigham, Margaret Munnings | 14th great-grandmother | XVI | 16 |
| 15th great-grandmother | XVII | 17 |
| Height, Mary | Wife of the 3rd cousin 5 times removed | | |
| Helen | 19th great-grandmother | XXI | 21 |
| Helen Of Mar | 21st great-grandmother | XXIII | 23 |
| Helen Of Strathern | 20th great-grandmother | XXII | 22 |
| Helmes, Dorothy | 13th great-grandmother | XV | 15 |
| 14th great-grandmother | XVI | 16 |
| Helmes, Edward | 14th great-grandfather | XVI | 16 |
| 15th great-grandfather | XVII | 17 |
| Hepburn, Adam | 19th great-grandfather | XXI | 21 |
| Half 1st cousin 19 times removed | XXIII | 21 |
| 2nd cousin 19 times removed | XXV | 22 |
| Half 1st cousin 22 times removed | XXVI | 24 |
| Half 1st cousin 23 times removed | XXVII | 25 |
| 4th cousin 20 times removed | XXX | 25 |
| 5th cousin 18 times removed | XXX | 24 |
| 5th cousin 19 times removed | XXXI | 25 |
| 4th cousin 22 times removed | XXXII | 27 |
| 5th cousin 20 times removed | XXXII | 26 |
| 6th cousin 18 times removed | XXXII | 25 |
| 5th cousin 21 times removed | XXXIII | 27 |
| 7th cousin 17 times removed | XXXIII | 25 |
| 7th cousin 18 times removed | XXXIV | 26 |
| 7th cousin 19 times removed | XXXV | 27 |
| 6th cousin 22 times removed | XXXVI | 29 |
| 7th cousin 20 times removed | XXXVI | 28 |
| 6th cousin 23 times removed | XXXVII | 30 |
| 6th cousin 24 times removed | XXXVIII | 31 |
| 9th cousin 18 times removed | XXXVIII | 28 |
| 9th cousin 19 times removed | XXXIX | 29 |