How old where copernicuses brothers and sisters?

Nicolaus Copernicus had several siblings, including three brothers and a sister. His exact siblings' ages are not well-documented, but it is known that he was born in 1473, and his siblings were born in the years surrounding his birth. His sister, Barbara, was born around 1480, while his brothers, Andrew, and other siblings were born in the late 1470s and early 1480s. Specific ages at Copernicus' time are difficult to ascertain due to limited historical records.