在 为 自己 的 子女 寻找 配偶
What does 在 do here? is it connected to the 为？
在上海人民广场的相亲角，父母们根据身高、体重、长相、职业、收入这些标准在为自己的子女寻找配偶。
At People’s Square in Shanghai, parents are looking for a suitable partner for their child at a blind-date corner, paying attention to body size, weight, appearance, occupation, income and similar criteria.
这些标准在为自己的子女寻找配偶 = … these standards being for (their) own sons and daughters seeked spouse/husband …