| Name | Relationship with Brian Mason | Civil | Canon |
|---|
| HANOVER, GEORGE III The Made King OF | 12th cousin 5 times removed | XXXI | 18 |
| HANOVER, GEORGE IV OF | 13th cousin 4 times removed | XXXII | 18 |
| Hanslape, FitzWilliam de | 30th great-granduncle of the wife | | |
| Hanslape, Maud de | 29th great-grandmother of the wife | | |
| Hanslape, Michael de | 30th great-granduncle of the wife | | |
| Hanslape, Robert de | 30th great-grandfather of the wife | | |
| Hanslape, Wynemar the Fleming de | 31st great-grandfather of the wife | | |
| HARRY, PRINCE | 17th cousin 3 times removed | XXXIX | 21 |
| Hasburg, Philip II of, King of Spain | Husband of the 4th cousin 13 times removed | | |
| Hassocke, Elizabeth | Wife of the 16th cousin 12 times removed | | |
| Hassocke, John | 15th great-grandfather of the wife | | |
| Hastings, Constable -Winchester Castle Sir Henry | 21st great-grandfather | XXIII | 23 |
| Hastings, Elizabeth | 19th great-grandmother | XXI | 21 |
| Hastings, Lord of Oboy John Hastings 1st Baron of | 20th great-grandfather | XXII | 22 |
| Hauteville, Tancred le Guiscard Son de | 28th great-grandfather | XXX | 30 |
| Hawise | 25th great-grandmother | XXVII | 27 |
| Hawise | 21st great-grandmother | XXIII | 23 |
| Hedwig, Countess of Luxembourg | 30th great-grandmother | XXXII | 32 |
| Hedwige, Empress of the Holy Roman Empire | 32nd great-grandmother | XXXIV | 34 |
| Heilweg | 36th great-grandmother | XXXVIII | 38 |
| Helen | 31st great-grandmother | XXXIII | 33 |
| Helie, Elias, Count de Maine | 26th great-grandfather | XXVIII | 28 |
| Helloe, Countess of Beulac | 30th great-grandmother | XXXII | 32 |
| HenryI, Beauclerc, King of EnglandI | 25th great-grandfather | XXVII | 27 |
| Heribert, Count of Kinziggau | 30th great-grandfather | XXXII | 32 |
| Herring, Elizabeth | 18th great-grandmother of the wife | | |
| Herring, John | 19th great-grandfather of the wife | | |
| Hesbaye, Ermengarde Princess of | 35th great-grandmother | XXXVII | 37 |
| Hesbaye, Ingeramne Duke of | 36th great-grandfather | XXXVIII | 38 |
| Heydon, Margaret | 20th great-grandmother of the wife | | |
| Hickes, Baptist | 14th great-grandfather of the wife | | |
| Hickes, Baptista | 12th great-grandfather of the wife | | |
| Hickes, Elias | 17th great-grandfather of the wife | | |
| Hickes, John | 16th great-grandfather of the wife | | |
| Hickes, Mary | Wife of the 8th cousin 11 times removed | | |
| Hickes, Robert | 13th great-grandfather of the wife | | |
| Hicks, Thomas | 15th great-grandfather of the wife | | |
| Hildegard, Empress of the Holy Roman Empire | 36th great-grandmother | XXXVIII | 38 |
| Hildegarde, Countess de Anjou | 28th great-grandmother | XXX | 30 |
| Hindley, Hugh | 16th great-grandfather of the wife | | |
| Hindley, Margery | Wife of the 15th cousin 13 times removed | | |
| Holand, Eleanor | 2nd cousin 17 times removed | XXIII | 20 |
| Holdenby, Elizabeth | 17th great-grandmother of the wife | | |
| Holdenby, John | 18th great-grandfather of the wife | | |
| Holland, Floris I of Burgundy Count of | 27th great-grandfather | XXIX | 29 |
| Holland, Maud | 19th great-grandmother of the wife | | |
| HOLT, Eliza Ann | 2nd great-grandmother of the wife | | |
| HOWARD, CATHERINE | Wife of the 3rd cousin 14 times removed | | |
| Hrolfsdatter, Ragnhild Hilda, Ctss of More | 32nd great-grandmother | XXXIV | 34 |
| Hugh, Count de Dammartin | 26th great-grandfather | XXVIII | 28 |