Family and Education
b. c.14-15 Jan. 1623,J. Carswell, The Porcupine (1989), 2; ‘Algernon Sidney’, Oxford DNB. 4th but 2nd surv. s. of Robert Sidney†, 2nd earl of Leicester, and Dorothy, da. of Henry Percy, 3d earl of Northumberland; bro. of Philip Sidney*, Visct. Lisle, and Henry Sidney†. educ. boarding school; travelled abroad (Denmark) with fa. Aug.-Nov. 1632,Carswell, Porcupine, 9. (Paris) with fa. 1636-41;HMC De Lisle and Dudley, vi. 554; J. Scott, Algernon Sidney and the English Republic (1988), 53, 216-17. (?Italy), 1641.B. Worden, ‘The Commonwealth Kidney of Algernon Sidney’, JBS xxiv. 4. G. Inn, 12 Aug. 1633;G.I. Admiss. i. 201. unm. ?1da. illegit.Scott, Algernon Sidney, 244. exec. 7 Dec. 1683.A. Sidney, Works (1772), 37.
Offices Held

Military: capt. of horse, regt. of bro. Lisle in Leinster, royal army in Ireland, 24 Jan. 1642-c.May 1644.HMC Ormonde, i. 124, 148; CJ iii. 507a. Col. of horse (parlian.), regt. of Edward Montagu†, 2nd earl of Manchester, Eastern Assoc. army by 25 May 1644–45;CJ iii. 507a; J. Vicars, Gods arke overtopping the worlds waves (1645), 273 (E.312.3). col. of horse, New Model army, 11 Mar. 1645.Temple, 'Original Officer List', 65. Gov. Chichester 14 May 1645-aft. 26 Feb. 1646;HMC De Lisle and Dudley, vi. 440; CSP Dom. 1645–1647, p. 355. Dover Castle 17 June, 13 Oct. 1648–22 Jan. 1651.HMC De Lisle and Dudley, vi. 443; CJ vi. 51b, 52a, 526b. Lt.-col. of horse, army in Ireland, and gov. Dublin 18 Nov. 1646–17 Apr. 1647.HMC De Lisle and Dudley, vi. 441, 565–6; HMC Egmont, i. 375–6, 389, 395.

Local: j.p. Glam. 16 Jan. 1647–?53.Justices of the Peace ed. Phillips, 302–3. Commr. assessment, 23 June 1647, 16 Feb. 1648, 7 Apr., 7 Dec. 1649, 26 Nov. 1650, 10 Dec. 1652, 26 Jan. 1660; Kent, 7 Apr., 7 Dec. 1649, 26 Nov. 1650, 10 Dec. 1652, 26 Jan. 1660; Glos. and S. E. Wales militia, 12 May 1648; militia, Kent, 2 Dec. 1648, 26 July 1659; Glam. 26 July 1659.A. and O. Commr. sewers, Kent 1 July 1659.C181/6, p. 366.

Central: member, Star Chamber cttee. of Irish affairs, 2 Nov. 1647.CJ v. 347b.88 Commr. high ct. of justice, 6 Jan. 1649. Gov. Westminster sch. and almshouses, 26 Sept. 1649.A. and O. Cllr. of state, 25 Nov. 1652,CJ vii. 220b. 19 May 1659.A. and O.

Diplomatic: amb. to Sweden and Denmark, 30 June 1659-June 1660.CJ vii. 700a.

: of Penshurst and Sterry, Kent and Leicester House, Westminster.
Likenesses

Likenesses: oil on canvas, J. van Egmont, 1663;Penshurst, Kent. oil on canvas, aft. J. van Egmont, aft. 1663;NPG. oil on canvas, Dutch school, c.1700;NT, Anglesey Abbey. miniature, J. Hoskins;Fitzwilliam Museum, Camb. mezzotint, prob. E. Lutterell aft. J. van Egmont;BM; NPG. line engraving, aft. J. van Egmont, 1682.BM.

Volume
Commons 1640-1660
Web Title

SYDNEY, Algernon (1623-83), of Penshurst and Sterry, Kent, and Leicester House, Westminster.

Will
not found: attainted, 21 Nov. 1683, attainder repealed 13 Feb. 1689.Sidney, Works, 35, 40.
Estates
Sept. 1650 purchased part of manor of Coningsby, Lincs., from trustees for fee farm rents, and a total of 7 other rents;Scott, Algernon Sidney, 97. trustee, creditor and beneficiary of the estates of Philip Smythe†, Viscount Strangford;Carswell, Porcupine, 71–80. 1654, received £500 from fa.;Scott, Algernon Sidney, 62. 13 Nov. 1677, received legacies totalling £5,100 from will of fa.;Sidney, Works (1772), 35. 1683, inventory of goods at Jermyn Street, St James’s, Mdx., property forfeit to the crown.E178/6353.
Oxford 1644
No
Addresses
Religion
Image