@victortoledo: The donor information in the sheet above refers to the donors in the Reference Atlas, three of which were also used in the Prenatal LMD Microarray Dataset. To find donor information (IDs, age, and sex) for the RNAseq data donors, download the relevant RNA-seq data set here, and then look at the “columns_metadata.csv” file. This will give you information for each sample (donor info + brain region), so there are repeats per donor, but you should have what you need.
@leana.king: The download listed above has some of the information you are looking for, if you wanted it for the RNA-seq donors. This post has some additional information that might help.