Anglesias father utilized his many children to make politically advantageous marriages and gain allies and as a young child, a betrothal between Anglesia and Frederick the youngest son of Frederick V. of Nuremberg was negotatied[1] Three of Anglesias sisters Antonia, Elisabetta and Maddalena were married to Eberhard III, Count of Württemberg, Albert III, Duke of Bavaria and Frederick, Duke of Bavaria respectively.

[2] In 1398 another marriage negotiation on behalf of Anglesia was initiated ;this time to marry Frederick I, Elector of Saxony[3] or one of his brothers Wilhelm or Georg.

Janus cousin and predecessor Peter II had been married to Anglesias oldest sister Valentina Visconti.

Gian Maria did give his aunt property in Selvanesco[4] so that she would be economically supported, but after his assassination in 1412 and on the succession of his younger brother and her nephew Filippo Maria Visconti, she was ordered to return the property and to enter a convent in Pavia.

Through an inheritance which she received in 1424 she was able to leave the convent whereafter she settled in Reggio Emilia together with her half-sister Isotta.