washington group democratic lawmakers wednesday write jar kushner u.s. president donald trump son-in-law adviser ask whether talk foreign officials ever discuss finance deeply indebted kushner company property manhattan property 666 fifth avenue 1.15 billion mortgage due less two years raise concern among lawmakers could pose conflict interest kushner kushner head kushner company sell interest family trust early year senior adviser president involve middle east policymaking 13 democratic lawmakers two-page letter kushner see reuters say concern may leverage white house position seek financial assistance 666 fifth avenue accord various report least 1.2 billion debt half own kushner company white house spokesman decline comment letter refer matter kushner lawyer abbe lowell lowell could immediately reach comment special counsel robert mueller probe possible collusion russia trump 2016 presidential campaign question kushner know whether mueller team look issue involve 666 fifth avenue trump deny collusion campaign moscow officials letter lawmakers lead rep. ted lieu california ask whether since trump election nov. 2016 kushner discuss property foreign nationals entities saudi arabia unite arab emirates qatar china israel france countries ask discuss anything relate help finance purchase assist debt 666 fifth avenue lawmakers ask kushner respond dec. 12. democratic lawmakers question kushner new york property letter