They made an alliance -- the so - called Pactum Warmundi -- with Domenico Michiel offering commercial privileges to the Venetians in return for their military assistance against the Egyptian towns on the coast .
Domenico Michiel is the Doge of Venice .
They made an alliance -- the so - called Pactum Warmundi -- with Domenico Michiel , the Doge of Venice , offering commercial privileges to the Venetians in return for their military assistance against the Egyptian towns on the coast .