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Sir John Brownlow, 3rd Baronet (26 June 1659 – 16 July 1697) ofBelton House nearGrantham inLincolnshire, was anEnglishmember of parliament. He built the grand mansion of Belton House, which survives today.

He was born on 26 June 1659, the eldest surviving son^[1] and heir ofSir Richard Brownlow, 2nd Baronet of Humby, Lincolnshire, by his wife Elizabeth Freke, a daughter of John Freke of Stretton in Dorset.

He was educated atWestminster School. In 1668 he succeeded his father as the 3rd baronet, of Humby, and in 1679 he inherited the estate of Belton, with others, from his childless great-uncleSir John Brownlow, 1st Baronet. He built the presentBelton House between 1685 and 1687, creating new gardens and lakes.^[2]

In 1686 he was Treasurer of theMarshalsea and in 1688 was appointedSheriff of Lincolnshire. In 1689 he was elected as amember of parliament forGrantham, a seat he held until his early death in 1697.

In 1676 he married Alice Sherard (died 1721), a daughter of Richard Sherard of Lopethorp in Lincolnshire, by whom he had four (or five) daughters but no sons:

• Jane Brownlow (died 1736), who marriedPeregrine Bertie, 2nd Duke of Ancaster and Kesteven in 1711;
• Elizabeth Brownlow (1681–1723), who marriedJohn Cecil, 6th Earl of Exeter in 1699;
• Alicia Brownlow (1684–1727), who marriedFrancis North, 2nd Baron Guilford in 1703;
• Margaret Brownlow (1687–1710)^{[citation needed]}
• Eleanor Brownlow (1691–1730), who in 1712 married her first cousin,John Brownlow, 1st Viscount Tyrconnel, 5th Baronet of Belton, the last living male of the Brownlow family, the son of her father's younger brotherSir William Brownlow, 4th Baronet. The marriage was childless, whereupon the titles became extinct and the Brownlow estates passed to the Viscount's nephewSir John Cust, 3rd Baronet.

Sir John Brownlow committed suicide, aged only 38, in July 1697 after suffering from severe gout. As he died with no surviving sons, he was succeeded in his title and in most of his estates, including Belton, by his younger brotherSir William Brownlow, 4th Baronet, who received Belton House on condition that John's widow Alice Sherard should retain possession of it during her lifetime. As she outlived Sir William, it therefore passed on her death in 1721 to William's sonJohn Brownlow, 1st Viscount Tyrconnel.

• Leigh Rayment's list of baronets
• Leigh Rayment's Historical List of MPs

• 1659 births
• 1697 deaths
• Baronets in the Baronetage of England
• Brownlow family
• High sheriffs of Lincolnshire
• English MPs 1689–1690
• English MPs 1690–1695
• English MPs 1695–1698
• 17th-century suicides
• Suicides by firearm in England
• British politicians who died by suicide

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