“We could go back to the same egg donor, so biologically there would certainly be a connection between brother and brother or brother and sister.”
He also explained that if they went ahead, he and John would again probably both donate sperm so that they would not know who the father is.
Furnish said that Zachary could face some challenges because he comes from same-sex parents.
“I think he is going to have to have square shoulders. Kids will often see something different and feel insecure about it because they don’t understand it. Fear and ignorance fuel so much homophobia.
“That’s just something we have to deal with as it comes along but he needs to know it’s fine, that he is loved and supported and there are other children in the same situation.”
Zachary Jackson Levon Furnish-John was born on Christmas day in 2010 to a surrogate in California. At the time, some critics accused John and Furnish of seeing a baby as “a designer accessory”.