He had at least one brother - Simon Peter the Apostle.
We do not know how many siblings Peter might have had but we do know he had at least one brother named Andrew.
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.
We do not know how many siblings Peter might have had but we do know he had at least one brother named Andrew.
There is no record or tradition about any siblings that Saint Peter may have had except for his brother Andrew.
We are only told about Peter's brother Andrew in the Bible. More information on Saint Peter can be found at: http://christianity.answers.com/church-leadership/what-do-we-really-know-about-the-apostle-peter
If Lucy had any siblings there is no record of them.
Yes, Andrew FIsher has 5 siblings!
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.
There is no reference to any saint named Andrew of Alexandria.
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.
If Sophia had any siblings, there is no record of them.