Lowndes, Marie Belloc: The End of Her Honeymoon. V1. 17 Jan 2010
 

Marie Adelaide Lowndes née Belloc (1868 - 1947). Mrs. Belloc Lowndes, was an English novelist, born in Marylebone, London, the only daughter of French barrister Louis Belloc and Bessie Parkes, and sister of Hilaire Belloc. Her paternal grandfather was the French painter Jean-Hilaire Belloc and her maternal great-grandfather was Joseph Priestley. In 1896 she married Frederic Sawrey Lowndes.
Mrs. Lowndes established her reputation as a teller of stories combining exciting incident with psychological interest. Her first novel The Heart of Penelope was published in 1904. From then on novels, reminiscences and plays came from her quill at the rate of one per year until 1946.

Excerpt
All the world was let into the secret, said the Prefect regretfully, "for the family had confided, from the first, in the Press. They thought--what did they not think, poor, foolish people? Among other things they actually believed that the Count had been murdered for political reasons. But no, the explanation was far more simple. That high-minded man, that Christian gentleman, this father of charming children whom he apparently adored, had gone off under a false name, leaving everything that was dear to him, including his large fortune, to throw in his lot with the governess!"