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| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|---|---|---|---|---|---|---|---|---|
| Leger, St. | 19 | Lacy, de | 4 | Linestone | 2 | Leonard | 6 | Lascaris | 2 |
| Lowe | 41 | Laon, de | 2 | Lowe, del | 2 | Letterhead (Wilkinson) | 1 | Lorraine, de | 1 |
| Leke | 1 | Lodbrock | 1 | Leigh | 6 | Lisle | 1 | Limburg, de | 1 |
| Lusignan | 1 | Lamar | 1 | Leigh, de | 3 | Livingston | 2 | Louvaine, de | 1 |