Do condors generally have one egg at a time or were there other eggs hatched at the same time with a male parent? Do they think the two bird's early deaths were

Do condors generally have one egg at a time or were there other eggs hatched at the same time with a male parent? Do they think the two bird's early deaths were related to their parthenogenesis, and did the 8 year old one parent any children? On that note, what was the gender of the unfertilized chicks?