John Leveson-Gower, 1st Baron Gower English politician and Baron (1675–1709) Parents Lady Jane Granville Sir William Leveson-Gower, 4th Baronet Children John Leveson-Gower, 1st Earl Gower Thomas Leveson-Gower Katherine Leveson-Gower William Leveson Gower Baptist Leveson Gower Jane Leveson-Gower unknown daughter Leveson-Gower Siblings Jane Hyde, Countess of Clarendon William Leveson-Gower Richard Leveson-Gower Catharine Leveson-Gower Partners Catherine Manners