In principle, the answer is yes. However, most countries place limits on how many children a sperm donor may give raise to in order to reduce the risk of inadvertent consanguinity between donor offspring. So, it is possible on a case-by-case basis.
Read the full article on: Using donated sperm: donor requirements, prices and treatments ( 69).
Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).