Question:  What nationality was James Henry Miller's wife?

Context paragraphs:
Moloch: or, This Gentile World: Moloch: or, This Gentile World is a semi-autobiographical novel written by Henry Miller in 1927-28, initially under the guise of a novel written by his wife, June.  The book went unpublished until 1992, 65 years after it was written and 12 years after Miller’s death.  It is widely considered to be of interest more as a study of Miller’s artistic growth than as a worthy piece of fiction.

Launceston by-election, 1874: The Launceston by-election of 1874 was fought on 3 July 1874.  The byelection was fought due to the void Election of the incumbent Conservative MP, James Henry Deakin (senior).  It was won by the Conservative candidate James Henry Deakin (junior).

Incest: From a Journal of Love: Incest: From a Journal of Love: The Unexpurgated Diary of Anaïs Nin (1932–1934) is a 1992 non-fiction book by Anaïs Nin.  It is a continuation of the diary entries first published in "Henry and June: From the Unexpurgated Diary of Anaïs Nin".  It features Nin's relationships with writer Henry Miller, his wife June Miller, the psychoanalyst Otto Rank, her father Joaquín Nin, and her husband Hugh Parker Guiler.  She also copied some of her correspondence with these people into her diary.  Much of this book was written in English, although those of her letters which were originally written in French and Spanish were translated.  Most of this diary takes place in France, particularly Clichy, Paris and Louveciennes.

James Henry Deakin (junior): James Henry Deakin (1851 – 8 November 1881) was a British Conservative politician, the son of Col. James Henry Deakin, a Manchester merchant.

Ewan MacColl: James Henry Miller (25 January 1915 – 22 October 1989), better known by his stage name Ewan MacColl, was an English folk singer, songwriter, communist, labour activist, actor, poet, playwright and record producer.

Peggy Seeger: Margaret "Peggy" Seeger (born June 17, 1935) is an American folksinger.  She is also well known in Britain, where she has lived for more than 30 years, and was married to the singer and songwriter Ewan MacColl until his death in 1989.

Henry Miller Memorial Library: The Henry Miller Memorial Library is a nonprofit arts center, bookstore, and performance venue, championing the late writer, artist, and Big Sur resident Henry Miller, as well as many other, both living and dead, creative individuals living in or near Big Sur, California.  Henry Miller’s friend Emil White built the house that is now the Library in the mid-1960s.  After Miller died, in 1980, Emil decided to maintain his property as a memorial to his friend and as a gallery where local artists could show their work.  In 1981 Emil White, with the help of the Big Sur Land Trust, created "The Henry Miller Memorial Library, Founded by Emil White."

June Miller: June Miller (January 7 or 28, 1902 – February 1, 1979) was the much-written-about second wife of Henry Miller.

James Innes-Ker, 7th Duke of Roxburghe: James Henry Robert Innes-Ker, 7th Duke of Roxburghe (5 September 1839 – 23 October 1892), became Duke of Roxburghe on the death of his father, James Henry Robert Innes-Ker, 6th Duke of Roxburghe.

Jim Miller (Australian footballer, born 1919): James Henry Miller (born 30 May 1919) is a former Australian rules footballer in the Victorian Football League (VFL).

Supporting paragraphs: Peggy Seeger Ewan MacColl
Answer: American