sentences:  His widow, Dona Maria Vilhena, contracted the Flemish Willem van der Haegen to settle Flores.After some negotiation, D. Maria would cede the rights to the exploration of the islands to Van der Haegen, in exchange for monthly payments.Around 1478, Willem van der Haegen settles in Ribeira da Cruz, where he built homes, developed agriculture (primarily wheat), collected more woad species for export, and explored for tin, silver or other minerals (under the assumption that the islands were part of the mythic Ilhas Cassterides, the islands of silver and tin).