Oy Vey, unfortunately for me neither my Father’s (A”H) or mother’s family were frum.
Again, I assumed we were Ashkenaz but recently found out that were are indeed Sephardim who migrated east to Lithuania at some point (confirmed Sephardic using a DNA test).
I am not harping on what you do, mind you. I actually tried switching from Ashkenaz to Sephard (my wife’s family are originally Satmar – she has an incredible Shtar Yichus to King Dovid, I got nuthin’) and I got very ill.
When i became frum, I decided to take on Yekke minhagim as my Mother’s family were very assimlated Germans/Austrians. Since there was no one JEWISH, let alone frum from that side, I took it on. 3 hours, washing before Kiddush, Tefillin on Chol HaMoed WITH a bracha, no Mayim Acronim, use Rodelheim siddur, etc. I had all their grandparents’ old machsorim (replete with prayers for the Kaiser) and use them on the Chagim. When I got married, I tried to get out of it and switch to regular Ashkenaz but was told by a Rav that my minhagim were mehudar and not to switch. Then when I found out I was Sephardic I asked the question again and Rav Shmuel Kaminetsky poskened that I should keep the Yekkish ways and not switch.
It is a hodgepodge of nusachim. My wife is a Breslov at heart. Her family is Yeshivish but originally Satmar. I am a Sephardic Yekke and that’s how we roll.
I am always wondering if I am doing it wrong.