This is a sub-sampled version (30X) of ChineseTrio HG007(mother)_R1 fastq files published by NIST's Genome in a Bottle project. We created them for practicing variant-call processes. As the total size of these data amounts to more than 200GB, we also prepared 10X fastq files. The original data is available under:https://github.com/genome-in-a-bottle/giab_data_indexes The original article is below; Wang, YC., Olson, N.D., Deikus, G. et al. High-coverage, long-read sequencing of Han Chinese trio reference samples. Sci Data 6, 91 (2019). https://doi.org/10.1038/s41597-019-0098-2 We are permitted to published sub-sampled versions by Genome in a Bottle project.