[3][8] Her grandfather Jan had acquired the monumental Palazzo Zevallos Stigliano in central Naples in 1653, sumptuously renovating it in the following years.

[10][11] Jan van den Eynde was also the owner of the largest collection of paintings in Naples, which was bequeathed to his son upon his death.

In 1674, the Marquess Ferdinand also inherited a sizable collection of 70[12] or 90[5] paintings from his longtime friend and business partner Gaspar Roomer.

[14] While drawing up the inventory, Giordano counted ten paintings executed by himself in Van den Eynde's collection.

[3][8] Through their marriage, she became part of the House of Colonna and the first Princess of Sonnino, while her husband benefited from a huge dowry,[15] and acquired the title of Marquess of Castelnuovo, as well as the opulent Palazzo Zevallos Stigliano.