== == Saint Nicolas
The patron saint of running water is St. John Nepomucene
St. Nicholas of Myra is associated with both children and Christmas. However, he has no connection to Christmas.
Yes he is the patron saint of repented thieves.
St. Michael the Archangel is a patron saint of sailors.
A patron saint is supposed to be a protector in the Catholic religion. Patron Saint Angelico is the patron saint of artists. A patron saint is a protector of life.
Nicholas is the patron saint of many things, including sailors.
Saint Nicholas of Myra is the patron saint of children, scholars and penitent thieves as well as a number of other causes. For a complete list of his patronages, click on this link.
The angel often recognized as the protector of children is Saint Michael the Archangel. In Christian tradition, he is seen as a guardian and protector, not only of children but of all believers. Additionally, the concept of guardian angels, assigned to individuals, is also prevalent, emphasizing the belief that each child has a specific angel watching over them.
There is no designated patron of Greek sailors. However, St, Nicholas was born in a Greek colony and is a patron saint of sailors.
Saint Joanna the Myrrh-bearer is not a patron saint.
Yes, St. Michael is the patron saint of mariners and sailors.
Yes, yes and yes. St. Nicholas of Myra is the patron saint of all three plus many more.