Enriqueta Augustina Rylands held in Kensington, London, on 6 October. The marriage was childless but two children were adopted: Arthur Forbes (a cousin of Enriqueta) and Maria Castiglioni. When John Rylands died in 1888, Enriqueta as the inheritor of most of his estate of £2,574,922 became a major shareholder of his family textile firm and in the Manchester Ship Canal. In memory of her husband, Enriqueta founded the John Rylands Library. She admired the design of Basil Champneys's library for Mansfield College, Oxford, and contracted him to develop something similar, on a more lavish scale. She secretly negotiated the purchase of the 2nd
Rylands v Fletcher tort, but instead a sub-tort of nuisance. In 1860, Rylands paid contractors to build a reservoir on his land, intending that it should supply the Ainsworth Mill with water. Rylands played no active role in the construction, instead contracting out to a competent engineer. While building it, the contractors discovered a series of old coal shafts and passages under the land filled loosely with soil and debris, which joined up with Thomas Fletcher's adjoining mine. Rather than blocking these shafts up, the contractors left them. On 11 December 1860, shortly after being filled for the first time, Rylands' reservoir burst