Julius Porcellis

Julius Porcellis (1610/19 – buried 30 September 1645) was a Dutch marine artist. 
Porcellis was born in Rotterdam, the son of the marine artist Jan Porcellis, and a follower of him in artistic terms - their choice of subjects was similar and their signature monogram the same, but Julius's palette (often distinctively creamy, with vivid colours late in his career in an even greater departure from Jan's tonal style) is agreed to be less subtle, and his style and sense of space less fluent. He was born in Rotterdam and died in Leiden.