Just in time for Christmas, Viktor and Aneta Urich of Grande Prairie, Alberta, welcomed their 100th grandchild, the Daily Herald-Tribune reported.
The Urichs, who are in their early 60s, have 16 children. Their eldest son, Heinrich - father of newborn Henry - has nine kids younger than 12.
"We get along fine," Heinrich Urich told the Herald-Tribune. "It's not boring. There's always something interesting going on."
The Urichs aren't the first to hit the 100-grandkid milestone. Bai Ulan, a widow from the Philippines, was recently photographed with some of her 107 grandchildren, 138 great-grandchildren and two great-great-grandchildren.
The average U.S. family size is 3.19, according to 2009 Census estimates.
For the Urichs, having 100 grandchildren - half with names like Henry and half with traditional Russian names - can be a little confusing.
"There are a few hard years, but when the children grow up, it gets easier," Viktor Urich told the Herald-Tribune.
And with such a big family, it's tough to get everyone together. But the Urichs plan on two reunions per year - one on each grandparent's birthday.