That is indeed 國-- I can see the three strokes of the 戈.孝男 --- 國? 良 || 瑞生 || 琹銘
Instead of 琹, I see 琴.
蕊女 --- 清 --- 妙 || 蕊? or 蕾?
It is 池 ti5 (pond).--- 清弟? || 清貝 || 思貝
It almost looks like 鐘 (coll. cing1, lit. ciong1) to me.孫 --- 金吉 || 清??? 福 || 金海
That is a variant of 年.民國 --- 卅六 || 五一 --- 年/主? ---丁亥 二 || 壬寅 十二 --- 月 ---初三 || 卄四 ---日