They acquired the rank of lords of Fosdinovo, as well as absolute control over Marciaso, Comano and the lands of Bianchi family (due to political marriages and strict blood ties).
"In his long testament he asked to be buried in a "honorabili arca marmorea" (which is most certainly not the monument conserved at the Victoria and Albert Museum in London, which was probably realised by his heirs as a celebratory ornament).
[5] In the final lines of his will he left a small sum of money to charity as he wanted it to be used to build a hospital in Fivizzano as well as a retirement home for the disgraced nobles in the chiesa di San Giovanni in Sacco in Verona.
His heirs in the succeeding century dedicated him a cenotafio inside the church of San Giovanni in Sacco, which was later demolished: this monument was produced by Antonio da Firenze and his students, it was later sold in 1887, to the Victoria and Albert Museum of London, where it is still displayed today.
[6] Rino Barbieri an Italian historian has hypothesised that the resting place of Spinetta Malaspina "the Great" might be in the proto-roman church of Santa Margherita, which was destroyed in an earthquake in 1481, some inscriptions in the Malaspinian castle's front wall might suggest this hypothesis to be plausible, the site is yet to be excavated as of November 2018.