Half Second Cousin Once Removed is in Second Cousin Succession Heading.
In 688 King Cædwalla of Wessex (age 29) Abdicated as King Wessex. In 688 His half second cousin once removed King Ine of Wessex (age 18) succeeded King Wessex.
In 709 Sigeheard King of Essex died. His half second cousin once removed Offa King of Essex succeeded King Essex.
In 709 Swæfred King of Essex died. His half second cousin once removed Offa King of Essex succeeded King Essex.
In 1193 Robert Lacy 5th Baron Pontefract died without issue. His cousin Albreda Lissours (age 65) [daughter of his aunt Albreda Lacy] inherited his estates. His half second cousin once removed Roger Lacy 6th Baron Pontefract 7th Baron Halton (age 22) succeeded 6th Baron Pontefract 1C 1068. Maud Clere Baroness Lacy Baroness Warkworth by marriage Baroness Pontefract.
On 27 Nov 1542 David Lindsay 8th Earl Crawford died. His half second cousin once removed David Lindsay 9th Earl Crawford (age 39) succeeded 9th Earl Crawford.
In 1677 Charles Rich 1st Baronet (age 58) died. His son-in-law His half second cousin once removed Robert Rich 2nd Baronet (age 29) succeeded 2nd Baronet Rich of London.
On 27 Oct 1719 Gilbert Coventry 4th Earl Coventry (age 51) died. His half second cousin once removed William Coventry 5th Earl Coventry (age 43) succeeded 5th Earl Coventry. Baron Coventry extinct.
On 30 Apr 1755 Edmund Bacon 6th Baronet (age 74) died. His half second cousin once removed Richard Baron 8th and 7th Baronet (age 60) succeeded 7th Baronet Bacon of Redgrave in Suffolk. The two Baronetcies of Baronet Bacon of Redgrave in Suffolk and Baronet Bacon of Mildenhall in Suffolk were combined.
On 04 Dec 1769 John Head 5th Baronet (age 67) died. His half second cousin once removed Edmund Head 6th Baronet (age 36) succeeded 6th Baronet Head of Hermitage in Kent.
In 1790 Thomas Edwardes 6th Baronet (age 60) died. His half second cousin once removed Reverend Thomas Edwardes 7th Baronet (age 60) succeeded 7th Baronet Edwardes of Shrewsbury in Shropshire.
On 20 Nov 1791 Richard Acton 5th Baronet (age 80) died. His half second cousin once removed John Acton 6th Baronet (age 55) succeeded 6th Baronet Acton of Aldenham Hall.
On 18 Dec 1792 David Kennedy 10th Earl Cassilis (age 58) died unmarried. His half second cousin once removed Archibald Kennedy 11th Earl Cassilis (age 72) succeeded 11th EarL Cassilis at which time he was lviign in New York. Baronet Kennedy of Culzean in Ayrshire extinct.
On 14 Oct 1805 Rowland Winn 6th Baronet (age 30) died. His half second cousin once removed Edmund Mark Winn 7th Baronet (age 43) succeeded 7th Baronet Winn of Nostel in Yorkshire.
On 01 May 1911 Louis John Francis Twysden 9th Baronet (age 81) died. His half second cousin once removed Roger Thomas Twysden 10th Baronet (age 17) succeeded 10th Baronet Twysden of Roydon in Kent.
On 29 May 1912 Lewis William Molesworth 11th Baronet (age 58) died. His half second cousin once removed St Aubyn Hender Molesworth-St Aubyn 12th Baronet (age 78) succeeded 12th Baronet Molesworth of Pencarrow in Cornwall.
On 07 Oct 1923 Frederick William Hotham 6th Baron Hotham (age 60) died. His half second cousin once removed Henry Hotham 7th Baron Hotham (age 24) succeeded 7th Baron Hotham of South Dalton in Yorkshire, 17th Baronet Hotham of Scorborough in Yorkshire. Letitia Sibell Winifred Brownlow-Cecil Baroness Hotham (age 19) by marriage Baroness Hotham of South Dalton in Yorkshire.
On 04 Jan 1942 Arthur Robert Glyn 7th Baronet (age 71) died unmarried. His half second cousin once removed Richard FitzGerald Glyn 8th and 4th Baronet (age 66) succeeded 8th Baronet Glyn of Ewell in Surrey.
In 1955 Gerald Vincent Corbet 6th Baronet (age 87) died. His half second cousin once removed John Vincent Corbet 7th Baronet (age 43) succeeded 7th Baronet Corbet of Moreton Corbet in Shropshire.
In 1962 Edward Cunard 5th Baronet (age 71) died. His half second cousin once removed Henry Palmer Cunard 6th Baronet (age 52) succeeded 6th Baronet Cunard of Bush Hill in Middlesex.
In 1968 Philip Humphrey Antrobus 6th Baronet (age 92) died. His half second cousin once removed Philip Coutts Antrobus 7th Baronet (age 60) succeeded 7th Baronet Antrobus of Antrobus in Cheshire.
In 1974 Nigel Gresley 12th Baronet (age 80) died. His half second cousin once removed William Francis Gresley 13th Baronet (age 76) succeeded 13th Baronet Gresley of Drakelow in Derbyshire.
On 25 Dec 1982 Charles Dutton 7th Baron Sherborne (age 71) died. His half second cousin once removed Ralph Stawell Dutton 8th Baron Sherborne succeeded 8th Baron Sherborne.
On 19 Apr 1983 Vere Hobart-Hampden 9th Earl of Buckinghamshire (age 81) died. His half second cousin once removed George Hobart-Hampden 10th Earl of Buckinghamshire (age 38) succeeded 10th Earl Buckinghamshire, 10th Baron Hobart, 14th Baronet Hobart of Intwood in Norfolk.
On 11 Jul 1992 Robert William Gerard 4th Baron Gerard (age 74) died. His half second cousin once removed Anthony Robert Hugo Gerard 5th Baron Gerard (age 42) succeeded 5th Baron Gerard of Bryn in Lancashire, 17th Baronet Gerard of Bryn in Lancashire.
On 22 Aug 2018 Henry David Shiffner 8th Baronet (age 88) died. His half second cousin once removed Michael George Edward Shiffner 9th Baronet (age 55) succeeded 9th Baronet Shiffner of Coombe in Sussex.