Response to Nechomah:-
Yekkes, as indicated above, are those of German descent …… Not exclusively German descent, but Western European Descent including Switzerland, Nethelands, France, and probably also Scandinavia
They have different minhagim, some of which include each adult male making his own kiddush at the Shabbos table, …. No more so than any other sector of Jewry.
woman lighting only 2 candles – no adding more for children, …… Becuase candles based on Zochor veShomor, hence only 2 candles required; However Jekkes add something much more significant for their children, that Jekkes Bensch their children thrice each week, by Friday nite Kiddush, Shabbos morning Kiddush, and by Havdoloh (Of-course also by all Kiddush & Havdoloh on Yom Tov too); Benshing their children includes father, mother & grandparents benshing children & grandchildren, and and Benshing spouses of children & grandchildren.
boys wearing a tallis after Bar Mitzvah, ….. Already by 3 years old.
waiting only 3 hours after meat until eating milk. ….. Some Jekkes {Dutch & Scandinavian origin} wait 1 hour, as is mentioned by the Romoh in Yoreh Deah.