The Chapel of the Langue of Castille, Leon and Portugal
is dedicated to St James, the patron saint of Spain.
The altar piece depicting St James is by Mattia Preti.
The chapel of the langue of Italy
is dedicated to St Catherine of Alexandria,
the patron saint of the Italian Knights.
The alter piece is a large oil painting by Mattia Preti
depicting the ‘Mystic marriage of St Catherine’.
It measures 4 metres high by 2.40 metres wide
and is surrounded by a marble frame bearing two gilt wooden angels.
The altarpiece in the Chapel of the Langue of Aragon
is Mattia Preti’s first work in this church
and is considered one of the most outstanding.
Commissioned by Grand Master Martin de Redin in 1659,
it depicts St George riding a white stallion
having just slain the dragon.
