Jean Octave Joseph Desmanet d'Erquennes–1750
| Death of a father | Pierre Octave Desmanet d'Erquennes de Boussu Walcourt September 24, 1724 |
| Marriage | Marie Ursule Malapert — View this family May 21, 1727 |
| Birth of a son #1 | Maximilien Octave Joseph Desmanet d'Erquennes May 18, 1728 |
| Occupation | Maître d'artillerie Employer: Ville de Mons |
| Death | December 29, 1750 |
| Title | écuyer Note: par lettres patentes du 23 mai 1723 |
| Title | Seigneur d'Erquennes |
| Family with parents |
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Birth: Death: September 24, 1724 — Virelles, Hainaut, Belgique |
| mother |
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Marriage: — |
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| himself |
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| brother |
| Family with Marie Ursule Malapert |
| himself |
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Marriage: May 21, 1727 — Bray |
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1 year son |
Birth: May 18, 1728 — Mons Death: February 22, 1784 — Thuin |
| Title | par lettres patentes du 23 mai 1723 |
| Media object | Format: image/png Image dimensions: 582 × 541 pixels File size: 546 KB Type: Coat of arms Note: De gueules au lion d’or à la queue fourchue, armé, lampassé et couronné d’argent, à la bordure d’argent chargée de huit flambeaux de gueules aux flammes d’or. Source: Armorial du Royaume de Belgique |