Prior to becoming a mathematics educator, I was a teacher in Prince George's County, Maryland. Because of the success I experienced with culturally relevant pedagogy (CRP), it became part of my research agenda along with teaching mathematics for social justice (TMfSJ). Databases like 23andme and Ancestry can be used as a context for CRP and TMfSJ. Data related to education, occupation, military service, and voting records can be accessed online. Our ancestors' experiences can shape our identity and serve as powerful tools for contextualizing mathematics.The stories and counter stories of African Americans can be problematized to show Black lives matter. [This article was first published in: S. Richardson, A. Davis, & C. W. Lewis (Eds.), "Proceedings of the Third International Conference on Urban Education" (pp. 129-137). Urban Education Collaborative, 2018. https://1e1dd9d7-3209-48d8-90a2-7a4cef33595c.filesusr.com/ugd/a4a250_e4a5a6994b914a68975203db95e688ae.pdf.]