Emma Curtis Hopkins was born in 1849.

Emma Curtis Hopkins died in 1925.

Could you specify what 'it' refers to? The only information I found was a reference to her dying in the US.

Mary Emma Curtis has written:

'The Michael Fetters family'

No, just a daughter according to NNDB.com.

Abigail Hopkins is Anthony Hopkins daughter, by his first wife Peta Barker. Abigail was born in London and her parents were divorced when she was only four years old. Abigail Hopkins is an actress by the name of Abigail Harrison.

Abigail Harrison, the daughter of Anthony Hopkins actually had a minor part as a housemaid in the movie The Remains of The Day in which Anthony Hopkins and Emma Thompson starred. See link below for review of this movie.