John Moyer Heathcote married Louisa Cecilia MacLeod (d. 1910), the eldest child and only daughter of Norman MacLeod of MacLeod and his wife Louisa Barbara St John, on 18 December 1860 in St James Westminster.[3][7] She was born on 24 May 1838 in Marylebone London. They lived at 24 Brunswick Square, Hove, and Conington Castle. They had four children:
- Emily Louisa Heathcote (16 February 1862 – 21 May 1880), buried at Conington.
- John Norman Heathcote (21 June 1863 – 16 July 1946), was a writer about St Kilda, buried at Conington.
- Evelyn May Heathcote (1865 – 15 April 1957)
- Arthur Ridley Heathcote (14 February 1877 – 13 April 1951). He owned the advowson and the right of patronage and presentation to the rectory of Chingford Essex, which he willed to his son John Horace Broke Heathcote.[8] He married Margaret Georgina Broke ( January 1878 – 1 March 1944) on 18 December 1909 in Dunmow Essex, they had three children:[2]
- John Horace Broke Heathcote (28 December 1910 – 30 May 2003), married Dorelle Geraldine Rice (13 March 1913 – 11 May 2007) on 14 August 1949 in Kensington London. They had two daughters:
- Norman Richard Heathcote (b. 25 May 1914), married Margaret Enid Burnett on 24 August 1946. They had three children:
- Richard John Heathcote (b. 17 January 1951)
- Katherine Louise Heathcote (b. 16 October 1952)
- Diana Elizabeth Heathcote (b. 16 October 1952)
- Ila Margaret Heathcote (2 July 1912 – 2 August 1961), married Lt-Col. Walter Dermot Filer Brabazon Muspratt (1 January 1912 – May 1988) on 7 May 1938 in Huntingdon district. They had two daughters:
- Evelyn Anne Muspratt (b. 1940), married Derek Grundy (b. July 1935) in 1963.
- Margaret Roberta Muspratt (b. 1946), married John Michael Pitts (b. August 1949) in 1976.
Louisa Heathcote died aged 72 on 20 January 1910 in Conington. John Moyer Heathcote died aged 78 at Conington Castle.[3] Both are buried in All Saints churchyard Conington, Huntingdonshire.[9]
A wall tablet in the south transept of Conington church is inscribed: "Louisa Cecilia only daughter of Norman Macleod of Isle of Skye and beloved wife of John Moyer Heathcote Esq. She died Jan 1910 in the 50th year of her happy married life aged 77 years. Lord what wait I for? My hope is in thee."[9]
A grave and memorial in the churchyard at east end of church is inscribed: "John Moyer Heathcote / born July 12th 1834 / died August 3rd 1912 : Louisa Cecilia Heathcote / born May 19th 1838 / married December 18th 1860 / died January 20th 1910." A wall tablet with classical surround in the south transept of Conington church: "In memory of John Moyer Heathcote eldest son of John Moyer Heathcote of Conington Castle. Married in 1860 Louisa Cecilia daughter of Norman, Macleod of Macleod. Died Aug 1912 aged 78 years."[9]
Arthur Ridley Heathcote and his wife Margaret Georgina lived in Switzerland from 1928, they both died in Montreux Switzerland.[10]
Grave in churchyard All Saints Conington, headstone inscription: "John Horace / Heathcote / 28th December 1910 / 30th May 2003." A further monument is inscribed: "In loving memory / of / Dorelle Geraldine / Heathcote / wife of / John Horace Heathcote / Born 13th March 1913 / Died 11th May 2007 / together again."[9]