This could be a test from Allah (swt) for you and Family. Allah tests us all in different ways. It’s very important to stay strong, patient and thankful to Allah. Staying positive is key, as is helping each other to get through this rough period.
It could be the evil eye as well, but we cannot be sure. In any case please pay sadaqa regularly, recite Ayat Kursi, the two ‘quls’, salawat as well as verse (68:51).
If u can listen to this lecture: