By Emily McGarvey
BBC News
A Dutch antheral suspected of fathering much than 550 children worldwide done sperm donations has been ordered to stop.
The antheral named Jonathan, aged 41, could beryllium fined much than €100,000 (£88,000) if helium tries to donate again.
He was banned from donating to fertility clinics successful the Netherlands successful 2017 aft it emerged helium had fathered much than 100 children.
But alternatively of stopping helium carried connected donating sperm overseas and online.
A tribunal successful The Hague has told him to supply a database of each the clinics helium had utilized and to bid them to destruct his sperm.
The antheral was said to person misled hundreds of women.
Dutch objective guidelines authorities that a donor should not begetter much than 25 children successful 12 families.
But judges said the antheral had helped nutrient betwixt 550 and 600 children since helium began donating sperm successful 2007.
He was taken to tribunal by a instauration protecting donor children's rights, and by the parent of 1 of the children allegedly fathered from his sperm.
"The constituent is that this kinship web with hundreds of half-brothers and half-sisters is overmuch excessively large," a spokesperson for the court, Gert-Mark Smelt, said.
Over 100 of the children fathered by the antheral were calved successful Dutch clinics and others privately, but helium besides donated to a Danish session which dispatched his semen to addresses successful assorted countries.
Judge Thera Hesselink said the tribunal "prohibits the suspect from donating his semen to caller prospective parents aft the issuing of this judgment".
The antheral is besides not permitted to interaction immoderate prospective parents "with the privation that helium was consenting to donate semen… advertise his services to prospective parents oregon articulation immoderate organisation that establishes interaction betwixt prospective parents", the justice said.
The donor "deliberately misinformed" prospective parents astir the fig of children helium had already fathered successful the past, the territory tribunal successful The Hague said.
"All these parents are present confronted with the information that the children successful their household are portion of a immense kinship network, with hundreds of half-siblings, which they did not choose," it said.
The tribunal said it was "sufficiently plausible" that this has oregon could person antagonistic psychosocial consequences for the children.
Sperm donors are told to bounds the fig of times they connection their services, to trim the accidental that siblings mightiness unknowingly signifier a mates and person children together.
The Netherlands has been deed by fertility scandals successful the past.