编辑同志:我父是商人,常年在外地经商,他背着我母亲和我及家人与当地发廊女张某登记结婚。现我父病故,在处理我父财产张某要求分割继承时,我们才发现她与我父亲的关系。请问,我可否申请法院宣告我父与张某的婚姻无效?他们的婚姻一旦被宣告无效,他们共同生活期间,我父开公司的经营收入,还应否属于张某与我父的共同财产?现我父死亡张某还能否继承我父的财产? Edit comrades: my father is a businessman, perennial business in the field, he carrying my mother and I and my family and the local hair salon woman Zhang registration marriage. Now my father died, in dealing with my father's property Zhang asked split succession, we found her and my father's relationship. May I ask whether I can apply to the court to declare my father's marriage null and void with her? Once their marriage is declared null and void, during their common life, my father's company's operating income should belong to Zhang and my father's common property? Zhang is still my father's death can inherit my father's property?