There is no record of the names of the parents or of any siblings that St. Anthony may have had.
If Monica had any siblings, there is no surviving record of them.
Historical records are unclear about Saint Cecilia's siblings. Some sources suggest she had brothers, while others do not mention any siblings. The focus is often on her life as a martyr and patron saint of musicians.
If Sophia had any siblings, there is no record of them.
If Barnabas had any siblings we have no record of them.
There is no definitive information about Saint Genevieve having any siblings. She is commonly believed to have been an only child.
No, Anthony was a Catholic priest and never married nor did he father any children.
St. Anthony of Padua was the oldest child but nothing is mentioned in any of his biographies if he had brothers, sisters or both.
If you are referring to St. Anthony of Padua his father was Vicente Martins de Bulhoes and mother Teresa Pais Taveira. Anthony never married nor had any children.
Unless you are looking for your own lost money, there is no patron saint. Anthony of Padua can help you find the money you lost, or any other misplaced item.
The Wikipedia article for "Saint Anthony" lists several people of that name. But all of them are long dead. So would their siblings be, in case they had any. So, no.
If Lucy had any siblings there is no record of them.
If Matthew had any siblings I can find no reference to them.
If Valentine of Rome had any siblings there is no record of them.
If Monica had any siblings, there is no surviving record of them.
No.
There is no mention in any biographies about any possible siblings of Patrick.
Historical records are unclear about Saint Cecilia's siblings. Some sources suggest she had brothers, while others do not mention any siblings. The focus is often on her life as a martyr and patron saint of musicians.