Nomina propria L
| L’Buer | → | Albertus Buer | Cartuisiani NL - A |
| L’esquin | → | Cornelius Le(s)quier | Cartusiani BE - C |
| L’esquire | → | Cornelius Le(s)quier | Cartusiani BE - C |
| La Ruelle | → | Franciscus | Cartusiani BE - F |
| La Tour | → | Antonius de Latheur | Cartusiani BE - A |
| Laenen | → | Anthelmus | Cartusiani BE - A |
| Lambruet | → | Joachimus | Cartusiani BE - J |
| Laruel | → | Franciscus La Ruelle | Cartusiani BE - F |
| Latheur | → | Antonius de Latheur | Cartusiani BE - A |
| Laurentii | → | Bartholomeus | Cartusiani NL -B |
| Lavens | → | Jacobus | Cartusiani BE - J |
| Le Comte | → | Bruno | Cartusiani BE - B |
| Le Lièvre | → | Antonius | Cartusiani BE - A |
| Lederdam | → | Gisbertus | Cartusiani BE - G |
| Lee | → | Benjamin | Cartusiani BE - B |
| Lee | → | Carolus | Cartusiani BE - C |
| Leeuwen | → | Dionysius Van Leeuwen | Cartuisiani NL - D |
| Leeuwis | → | Dionysius Van Leeuwen | Cartuisiani NL - D |
| Leidts | → | Bruno Lijst | Cartusiani BE - B |
| Leijst | → | Bruno Lijst | Cartusiani BE - B |
| Lelièvre | → | Antonius le Lièvre | Cartusiani BE - A |
| Lemonier | → | Antonius (de) Limon | Cartusiani BE - A |
| Lemonius | → | Antonius (de) Limon | Cartusiani BE - A |
| Lenaerts | → | Abrahamus | Cartusiani BE - A |
| Leodio | → | Florentius (de) Hollandia | Cartusiani BE - F |
| Leotinginis | → | Hugo Leotingius | Cartusiani NL - H |
| Leotingius | → | Hugo | Cartusiani NL - H |
| Le(s)quier | → | Conelius | Cartusiani BE - C |
| Lesquire | → | Cornelius Le(s)quin | Cartusiani BE - C |
| Letiner | → | Andreas Lit(t)ius | Cartuisiani NL - A |
| Leucks | → | Joannes Leuckx | Cartusiani BE - J |
| Leuckx | → | Joannes | Cartusiani BE - J |
| Leuckx | → | Joannes-Baptista | Cartusiani BE - J |
| Leydis | → | Arnoldus I, II, III | Cartuisiani NL - A |
| Leydis | → | Arnoldus Paeds | Cartuisiani NL - A |
| Leys(t) | → | Bruno Lijst | Cartusiani BE - B |
| Libert | → | Franciscus | Cartusiani BE - F |
| Liedekerke | → | Jacobus | Cartusiani BE - J |
| [Liège] | → | Adrianus | Cartusiani BE - A |
| [Liège] | → | Bertholdus | Cartusiani BE - B |
| [Liège] | → | Egidius | Cartusiani BE - E |
| [Liège] | → | Everardus | Cartusiani BE - E |
| [Liège] | → | Gerardus I, II, III, IV | Cartusiani BE - G |
| [Liège] | → | Jacobus | Cartusiani BE - J |
| [Lier] | → | Antonius | Cartusiani sine domo receptionis |
| Lièvre | → | Antonius le Lièvre | Cartusiani BE - A |
| Lijst | → | Bruno | Cartusiani BE - B |
| Limbourg | → | Andreas | Cartusiani BE - A |
| Limon | → | Antonius | Cartusiani BE - A |
| Linden | → | Arnoldus Van der Linden | Cartuisiani NL - A |
| Linniaco | → | Egidius | Cartusiani BE - E |
| Li(t)ius | → | Andreas | Cartuisiani NL - A |
| Lochem | → | Hermannus | Cartusiani BE - H |
| Loe(n) | → | Henricus | Cartusiani BE - H |
| Loens | → | Andreas Loons | Cartusiani BE - A |
| Loes | → | Jacobus (de) Looz | Cartusiani BE - J |
| Loo | → | Antonius | Cartuisiani NL - A |
| Lood(t) | → | Andreas | Cartusiani BE - A |
| Loodts | → | Andreas Lood(t) | Cartusiani BE - A |
| Loomoogen | → | Bartholomeus Cromwag(h)en | Cartusiani BE - B |
| Loons | → | Andreas | Cartusiani BE - A |
| Loot(s) | → | Andreas Lood(t) | Cartusiani BE - A |
| Looz | → | Jacobus | Cartusiani BE - J |
| Lotius | → | Andreas Lood(t) | Cartusiani BE - A |
| Lose | → | Albertus (de) Loze | Cartusiani extra muros |
| Lovaniensis | → | Joannes Vekenstijl | Carusiani BE -J |
| Lovanii | → | Joannes Vekenstijl | Carusiani BE -J |
| Lovanio | → | Joannes Vekenstijl | Carusiani BE -J |
| Loze | → | Albertus | Cartusiani extra muros |
| Luyc(k)x | → | Dionysius | Cartusiani BE - D |
| Luyckx | → | Joannes Leuckx | Cartusiani BE - J |
| Luyckx | → | Joannes-Baptista | Cartusiani BE - J |
| Lymont | → | Antonius (de) Limon | Cartusiani BE - A |
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