There are a few projects you should look into:
FHIR-Chain will allow patients to own their health record data just like a person can own a bitcoin wallet. It is the next big thing in medical records.
Andaman7 also has the goal of making patient records more accessible to patients:
I share your need for a family medical history. I am currently working on an Excel Dashboard that aggregates health data from smart phones and health records into one place. I can get medical records and labs into Apple's health kit but I don't know enough about FHIR to import that JSON data into Excel. I wish the QS tool allowed us to export labs into CSV format. Maybe it does and I just don't know. Has anyone had any luck doing this?